Horatio and the team, reunited, encounter the Mala Noche gang while investigating a shooting that killed an officer and the rape of a maid.

A case involving the death by shark of a young woman, takes many paths.

The search is on for a young woman who disappeared from a club, and an old case of Horatio's resurfaces.

Pool employee Armando Diaz's bloodily battered corpse is found in Craig Seaborn's 5-star hotel Graciana's gardens. He was killed in the penthouse, where three wives had a 'husbands nor sex' weekend. Beth Jacobson admits she had sex with him, but when he called her too unattractive to get hard a fight ensued, so she struck him with a towel bar, thrice. He also had safe sex with Felicia Hardy, who claims she didn't realize he was badly wounded when passing out after hitting his head against the bed. Wolfe follows a third blood trail, to the staircase and more suspects. It must all be tied in. Meanwhile chief James Burton warns Horatio his team is under scrutiny, just now there are tensions about sticking up evidence kits, labor division and Wolfe's media ambitions, apparently paying off a TV reporter.

A killer who has it out for Horatio surfaces in Miami, and frames him for a murder.

Ryan Wolfe, with a nail knocked next to his eye, is being carried to hospital by Delko. There, Horatio remembers how the day started, with the discovery of a murdered woman who was attacked by someone with a nails gun.

During an early morning trip to the bank, Delko ends up witnessing a robbery and fatally shooting one of the suspects. As the investigation progresses, Wolfe realizes that the robbers are trying to replicate a violent video game.

When a drug dealer is gunned down in his home, Horatio and the team must determine who, out of three suspects, committed the crime. Meanwhile, Delko faces a serious threat to his career, and Calleigh makes a decision about hers.

New technology on DNA testing reveals that a man convicted of a rape six years back is innocent and he is promptly released. Now a free man, he is eager on pressing charges against the department and the crime lab for his false conviction. Meanwhile, Horatio and his team reopen the case in hope to catch the real rapist. In the morgue, Alexx examines the body of a young woman who died from infections caused by a piece of cloth left inside her after an operation. She is intent on finding the surgeon responsible for this untimely death.

Horatio and his team investigate a double murder at a concert, but unraveling the mystery becomes difficult when leads take them in two directions: the Mala Noche gang, and a pharmaceutical company.

A trip to the beach for Eric Delko turns sour when a body is uncovered beneath the sand. The man was killed elsewhere and dumped here. Elsewhere, Horatio is certain that his old enemy from New York is back when two murders occur in Miami. He immediately contacts Jennifer Wilson whose parents were killed by the same murderer, Walter Resden, many years back when she was still a little girl.

The murder of a paroled pedophile leads the team to many suspects, one of them at the lab.

As a murder investigation becomes more complicated, Caine must ask Natalia to reveal something from her past in order to solve it.

A robbery at a spa injures Marisol, and a hunt starts for the three thieves before more are hurt.

A misdialed cell phone number sends the team on a desperate search for a kidnapper.

A spoiled heiress is found dead in her bathtub during her own party, and the investigation puts Horatio on the trail of an abducted young girl. Horatio tells Delko of his marriage plans.

As Horatio and the team are on the verge of putting away members of the dangerous Mala Noche gang, a tragedy strikes.

The hunt for Riaz continues against the stress of the FBI taking over the lab based on an anonymous tip and one of their own being killed.

Delko and Caine follow Riaz down to Brazil, where an unexpected family connection appears. Meanwhile, Calleigh is in charge while Caine is away, and Natalia is having a rough day.

A biker who falls off a balcony was an undercover A.T.F. agent. The gang he infiltrated may be running "corner-shot" guns designed for urban warfare, and another agent who also infiltrated the group may hold the key to the case.

The murder of a young socialite could be connected to a death pool, an offshore gambling boat, and a counterfeiting ring.

Investigating a male corpse found in the marina involves male models and their modeling agency, while Natalia's abusive ex-husband begins stalking her.

When a City Councilman is found stabbed to death, Horatio and the team find themselves tied into an eminent domain case and Ryan bonds with a teenager on the scene.

Wolfe believes that he may have triggered a Santeria curse when he disturbs a miniature coffin at a murder scene.

The investigation into a beheading during a stunt at an automobile "sideshow" could ultimately expose a larger cover-up involving stolen cars and jet fuel.

CSI steps up the search for potential serial killer who may be connected to a professional photographer after it discovers that Natalia's sister may be the next victim.

After the murder of a bachelorette contestant in an auction, CSI discovers that the victim was working undercover for the government. And the event organizer may have connections to a terrorist cell.

The death of a Marine recruiter ultimately leads Horatio to open an investigation into the death of a soldier in Iraq. The soldier's brother claims responsibility, but Horatio suspects a cover-up.

The defense attorney in Horatio's terror cell trial is murdered by a stray bullet, but the investigation reveals that his client was the real target. Meanwhile, Wolfe compromises the only evidence in a gang-related murder.

When Natalia's ex is found dead at his home, Horatio must step into the investigation to keep his team safe from an overeager investigator.

The death of an illegal emigrant by land mine ends up turning into three investigations that also include an assassin and death at a bar. Unfortunately it also puts several officers at risk, and Delko into an untenable position.

The robbery of a police truck containing confiscated weapons is connected to a plot to spring Clavo Cruz from prison, and one of the guns stolen in the robbery is used in the shooting of a young boy.

While the manhunt for Clavo Cruz continues, Delko fights for his life after the shooting.

While investigating the double murder of a babysitter's parents, Horatio stumbles upon a local physician who may actually be a serial killer.

A grizzly bear attack in the everglades puts suspicion on the hunting party, but things get more complicated once their hotel room is found.

A real estate developer is murdered, and the investigation uncovers a complex web of deceit involving his wife her two identical triplet sisters. But the apparently-murdered developer may have had a surprise of his own.

A gaming official accused of trying to dip into Indian casino profits is found scalped to death, and the discovery of a dead prostitute's little black book suggests that he's part of a larger plot involving County Commissioner O'Shay.

An actor is found dead in the trunk of a stunt car, but the investigation reveals that he actually died in his room at a high-profile celebrity rehab facility.

A far from amicable divorce comes to a bigger crisis when bodies start piling up, and Delko falls afoul of a former nemesis when he misses a payment.

While investigating a possible arson case, Horatio discovers that Yelina is back in Miami working as a private investigator. Meanwhile, Wolfe's prior relationship with one of the suspects gets him in hot water with his superiors.

While CSI tries to find out who killed a carjacker, Wolfe is forced to become an adversary as he takes a job as a television crime analyst.

CSI goes after a serial killer whose signature is related his extra "Y" chromosome, once believed to be the "killer gene."

A probation officer is shot and killed, and one of the suspects turns out to be Horatio's biological son.

An Internet celebrity's boyfriend is killed with a bow and arrow. During the case, Horatio becomes a "cyberlebrity" himself, which puts his life in danger.

Horatio goes on a manhunt to find two criminals who escaped from a prison bus after their arraignment. However, he also learns that his son's life is in danger in prison.

A young woman dies from carbon monoxide poisoning but the man with her survives, in what appears to be a suicide pact related to their credit card debt. Meanwhile, Delko starts seeing his dead colleague, Tim Speedle.

A former star pro quarterback is killed. But the investigation determines that the person who initially tried to kill him did not deliver the fatal blow.

A man is killed during an eclipse. But when a second person is killed in her home, Horatio suspects that he may be dealing with a serial killer who targets his victims only at night.

A model is electrocuted on a runway, and CSI discovers that the case is connected to a heroin smuggling ring involving a designer and the prisoner who held Horatio's son hostage.

A young man is shot to death in a hotel elevator, and the murder appears to have ties to a gang initiation. Meanwhile, every member of the victim's family is bent on exacting revenge on the shooter.

Calleigh could find herself in trouble after she is involved in an off-duty shooting. Meanwhile, the shooting leads detectives to a separate murder, which is connected to drug dealers.

A nanny is murdered, and the suspects in her death include members of the family she was working for, her boss, her fellow nannies, and her ex-boyfriend.

Three gunrunners are killed by a new high-tech weapon called "The Vaporizer." And after Horatio interviews the CEO of the defense contractor that made the weapon, he also turns up dead.

A woman killed in a meth lab turns out to be an informant. CSI discovers that she was having a relationship with her married handler, and that she was also pregnant.

The mother of Horatio's child surfaces and becomes a prime suspect in her husband's murder. She also comes under suspicion when the witness in Horatio's son's trial suddenly disappears before she can testify.

The bride of a baseball star is shot on her wedding day. Suspects include his best friend and teammate, his bodyguard, and his agent. However, CSI discovers that the bride was not the intended target.

The body of the witness Julia Winston paid off in Horatio's son's trial is found in a swamp, but Horatio's investigation is interrupted by his extradition to Brazil to face murder charges. Meanwhile, Calleigh is kidnapped.

Calleigh's kidnappers use her to try and cover up a shooting death that they committed. However, she discovers that the gunshot is not what killed the victim. Meanwhile, CSI uncovers more clues in the death of the trial witness.

The team believes that it is dealing with a vigilante when two murder victims turn out to be pedophiles who were exposed as predators on a television program.

The team finds a body in a sinkhole, which turns out to be related to an underground bank robbery. The case also involves an incriminating video of a wealthy businessman's daughter with a drug dealer.

Alexx's son is a central figure in a murder investigation involving drug dealers, and Alexx does everything in her power to help and protect him.

A notorious private investigator becomes a central figure in an investigation into a phony 911 call that ends in death, and he uses information he's gathered about Calleigh and Eric to get them thrown off the case.

A man falls to his death from a skyscraper window, and the new M.E. is shot and killed at the scene. The crimes are soon connected to ammunition dealers, an ATF agent, and Horatio's son Kyle's new stepfather.

With the help of Wolfe and an ATF agent, Horatio stages his own death as part of a plan to get Ron Saris and a shipment of fused-alloy bullets off the street.

The investigation of a badly-burned corpse at a beach party leads CSI to a fuel smuggling ring with ties to human trafficking.

The daughter of Delko's therapist is murdered, and a number of her mother's most troubled and ex-con patients come under suspicion.

The discovery of a dead ultimate fighter in The Everglades leads CSI to a case involving extortion and a fight club owned by the Russian mob.

As the team investigates a bomb explosion that killed a 17-year-old girl in a clothing store dressing room, Horatio discovers that Julia Winston and Kyle are facing new troubles.

The only witness to a mob-related murder is killed by a runaway crane, but Horatio is determined to make sure the killers are brought to justice.

A tanning butler is found murdered in a hotel bed next to a housewife-prostitute. However, the woman claims that she was drugged and has no recollection of the crime.

A baby girl is stolen from her mother in a crowded area in broad daylight, and the investigation takes an unlikely turn when CSI discovers that the mother's husband is not the biological father.

A sadistic killer of young women strikes again, one year after the original crime. However, CSI soon discovers that the trail may lead back to the police officer who investigated the original crime.

While investigating a homicide at a seedy motel, CSI discovers that Delko has been staying at the hotel and may have been the target of a shooting himself.

A reformed gang leader recently out of prison offers to help Horatio bring down his gang from the inside after it is suspected to be involved in the death of a community leader.

A young man with amnesia is found walking the street in a daze, covered with blood from a triple homicide. But did he commit the crime or witness it?

As CSI investigates the murder of a horse owner at a racetrack in his luxury box, Horatio uncovers a plot to fix races involving an old nemesis from the Russian mob.

Calleigh is in a coma after a smoke inhalation injury sustained while investigating a case involving a dead doctor, drug dealers, and black market organ transplants.

New evidence proves that a man recently convicted of murder is innocent. But are his defense attorney and judge conspiring to keep him behind bars to protect the real killer?

Defense attorney Derek Powell's fiancée is killed during a yacht heist, but the investigation may be compromised when Delko's citizenship is questioned and he is threatened with deportation to Cuba.

A man is hanged from a gazebo during his ex-wife's divorce party, and the investigation reveals that he was leading a double life. Meanwhile, Horatio gets Kyle a job working with the medical examiner.

A flight attendant is found dead after a flight in the baggage claim area, and the suspects include jealous coworkers, a drug-smuggling Federal Air Marshal, and a pilot cheating on his wife.

While CSI investigates a series of burglaries, Horatio discovers that the team is being watched by Russian mobster Ivan Sarnoff.

Russian mobsters kidnap Wolfe and try to influence him to clear one of their associates who is a suspect in a robbery-homicide case.

A plastic surgeon is killed by a wood chipper. During the investigation, Horatio discovers that his old nemesis Ron Saris is still alive and was one of the dead plastic surgeon's patients.

One of the finalists in a "Bachelor"-style reality show is killed, and the team must find the killer among the other contestants, the host, and perhaps even the "Bachelor" himself.

CSI connects a hand grenade explosion in a restaurant that killed two people to a credit card scam, while Horatio tries to help a waitress at the restaurant regain custody of her child.

Ron Saris has a connection to a series of deaths where the bodies were dissolved in sodium hydroxide, Wolfe exposes Dr. Price's prescription drug addiction, and Julia Winston is driven over the edge.

Ivan Sarnoff escapes an assassination attempt by the Russian mob, and is on the loose. Evidence also suggests that Delko's father was involved, while Yelina, working undercover, is asked to find Sarnoff and finish the job.

As Delko fights for his life once again, he flashes back to 1997 and the case that helped launch his career as a CSI.

A man desperate for justice creates a hostage situation at the Miami/Dade Police Department, and Horatio looks into his claims. One of the hostages is Jesse Cardoza, a former CSI who is returning to his old job.

A "cougar" is romantically connected to three victims who were electrocuted during a beach volleyball tournament, and the internal investigation into Calleigh and Delko comes to a conclusion.

An investment broker who stole millions is found dead in his plane, and the investigation reveals no shortage of people who wanted to kill him--but none of the money he stole.

While investigating an e. coli-related death, the team finds itself stonewalled by a powerful corporate interest, and the case takes a serious emotional toll on Delko.

Two groomsmen are found handcuffed together in a fountain and covered with blood. The groom is also missing, but does the blood belong to him?

Horatio Caine calls Las Vegas CSI Dr. Ray Langston to come to Miami when a severed leg found in the Everglades is discovered to belong to a girl who went missing in Las Vegas a week earlier.

The team investigates the scene of a fatal auto accident, but struggle to determine who was ultimately responsible and who was behind the wheel.

The team suspects that a company is killing its employees in order to collect on the insurance policies it put out on them, and a mysterious woman from Jesse's past returns.

The team finds the body of a dead census report taker in the trunk of a car, and the investigation takes a dangerous turn when it leads Wolfe and Boa Vista to a booby-trapped meth lab in an abandoned foreclosed home.

The team discovers that Delko is working for an attorney defending a homeless man accused of raping and killing a wealthy woman.

When America's sweetheart, Phoebe Nichols, bursts into flames during a concert, the CSIs expose the dark side of pop stardom.

A man is chopped in half, and the lab tries to tie the case to a Japanese mobster, who seeks custody of his biological son, who was adopted by the victim. Meanwhile, Natalia's hearing loss nearly makes her a victim during the investigation.

The CSIs have 24 hours to find out if a man on death row is truly guilty, and Eric Delko returns to work the case.

A dead body falls from the sky, and the team discovers that he had been a passenger on a private commercial space flight.

A pornographer who was acquitted in Los Angeles for the murder of his wife is suspected of killing anther woman in Miami. Horatio and Delko travel to L.A. to further the investigation--and clear Jesse's Cardoza's name.

An office receptionist is killed with an ax at her workplace, and the team discovers that several employees held grudges against her, as well as a surprising tragic secret from her past.

An Iranian man is burned to death. The prime suspects include Horatio's son Kyle's army buddy Brian, who is on military furlough, as well as Brian's girlfriend, who was the victim's daughter.

Spring Break raises the body count in Miami when the CSI team splits up to solve three different murders.

While CSI tries to figure out who and what caused a fatal house fire, Calleigh communicates with the victim and searches for clues by means of an out-of-body experience while in a coma.

While investigating a murder that takes place during a diamond heist, the team discovers that the culprits weren't after the diamonds. Meanwhile, a package of diamonds is stolen from the evidence box at the crime lab.

When a suburban soccer mom is murdered, the CSIs uncover her family's dark past, while Delko continues his undercover mission.

The state's attorney Delko has been working with is killed by a car bomb. The car was stolen from Evidence just like the diamonds from the earlier case, and the evidence soon leads back to Wolfe.

Horatio suspects that a disgraced graduate psychology student is killing the people who caused her to fail, and is leaving cryptic messages for the crime lab. However, could it actually be part of an even more sinister plan?

Cardoza is killed by professor Starling's gas attack in the crime lab, but the ensuing investigation proves that he had an accomplice in the attack.

Just days before the professional draft, a star college quarterback becomes the prime suspect in a murder investigation when the bottle girl at a night club is found dead in his cabana.

A blind man is the police's only witness in a kidnapping case, but he winds up pointing the finger at a familiar face who was supposedly in prison at the time of the abduction.

Memmo Fierro, the man who killed Horatio's wife and Delko's sister, escapes during a prison break, and is on a mission to find his daughter, who has been placed in foster care.

Horatio finds a confused, disoriented man in the Everglades next to a buried severed head, and soon discovers that the man may have committed the crime while in a dream-like trance.

One of the stars of a popular reality television show is killed, and based on the evidence, all of her co-stars are prime suspects.

The team is on the hunt for a sniper who is targeting a bookmaker.

A pregnant woman is found badly beaten, and the unborn child's life is in danger. And the investigation uncovers a complex conspiracy involving several angry parties.

When a sugar refinery explodes, CSI discovers a shocking secret about the lone victim's identity.

An Internet entrepreneur is killed in his pool by an alligator, and the investigation leads back to two high-profile matchmaking services, one of which may not be what it seems.

While CSI investigates a strange double homicide involving one bullet, they discover that the case is connected to a bizarre, deceptive online love triangle.

The team tries to figure out who killed a roller derby star in the locker room during a match.

Horatio's old nemesis Memmo Fiero returns to Miami to take over Mala Noche from the people who were in charge while he was in prison.

A high school "mean girl" is stoned to death, and the evidence points in the direction of two of her biggest bullying victims.

After a young woman is tortured and killed in the hurricane shelter of a foreclosed home, and another body is discovered in a state park, CSI suspects that it is looking for a man and woman team of serial killers.

The team discovers that somebody is hunting illegal immigrants in the Everglades.

CSI uncovers a heroin trafficking ring while investigating the murder of a delivery company driver.

A convicted killer who escaped from prison is now suspected of another murder. However, he kidnaps Natalia and tells her that he is innocent of both crimes, and a reexamination reveals that he may be telling the truth.

A former MMA fighter escapes from prison and is planning to create a disturbance at an MMA fight featuring the man whose testimony put him away.

Horatio and Eric try to figure out what role a co-ed with dual personalities played in the murder of her roommate in a spa.

A mild-mannered accountant claims that he is being framed for murder, and a deeper look into the evidence proves that he may be right.

The final jailbreak escapee is caught, but he escapes police custody and is on the loose in Miami, and the life of one of his former cellmates is turned upside down by his actions.

Horatio saves Natalia and sets out to track down Randy North before serial killer Jack Toller strikes again. However, a seriously-wounded Horatio begins having visions of his dead wife Marisol.

The team tries to figure out who killed a male escort who was found in a hotel cabana.

Solving the death of a Dade University co-ed becomes more complicated when the crime scene is destroyed by a tornado, but the investigation soon focuses on a team of storm chasers after a second badly injured person is discovered.

The team races against time to catch a sadistic man who is torturing and killing prostitutes before he kills his latest victim.

Horatio turns to prisoner Memmo Fiero for help as he tries to find a notorious Mala Noche assassin who has targeted a Mexican sheriff and her family.

The team investigates the bizarre death of a housekeeper in the island mansion that belongs to a famed vampire novelist.

A masked robber crashes into an illegal high-stakes poker game, leaving a Hollywood producer dead. But the evidence suggests that he was killed by a hidden second accomplice.

When another body of a dead woman is found on the beach, Horatio thinks that Esteban Navarro, the "Miami Taunter," has struck again. But could it be the work of a tribute killer, or perhaps something even more sinister?

Three high schoolers convicted of killing a boy in 1992 are set free 19 years later. However, when one of the men is found stabbed to death, new questions arise about their innocence and what really happened that fateful day.

The kidnapping of a family from their home leads the team to discover an unlikely connection to a drug dealer recently released from prison.

The death of a mom sends CSI to the strange world of child beauty pageants, and it also sheds light on an even more sinister crime from years ago.

A cell phone billionaire who is dying from cancer is killed by a "smart bullet" from an unusual sophisticated prototype weapon his company was creating.

A skydiver is killed after his parachute is sabotaged, and the suspect list includes more than 100 of his sperm donor children.

When a pair of sorority sisters are murdered, CSI's investigation focuses on another woman who was humiliated by the two as a pledge ten years earlier.

A by-the-book accountant is killed after being run over in the ocean by a motorboat, and the team soon discovers that he made a lot of enemies by exposing their illegal activities.

CSI links a dead body found buried on the beach to an old nemesis, Esteban Navarro. And a closer investigation of the crime scene could uncover a wealth of other shocking Navarro family secrets.

While investigating the death of a groundskeeper at a prestigious tennis academy, the team uncovers evidence that the academy's main teacher is a child molester.

After a murder helps uncover a scandal involving a city councilman, Horatio discovers that a sleazy defense attorney from his past may be blackmailing his clients into helping keep his other clients out of jail.

When one of the CSI's biggest enemies is murdered, Horatio must determine which of his team members is a suspect.

A convicted killer who escaped from prison is now suspected of another murder. However, he kidnaps Natalia and tells her that he is innocent of both crimes, and a reexamination reveals that he may be telling the truth.

A woman killed in a meth lab turns out to be an informant. CSI discovers that she was having a relationship with her married handler, and that she was also pregnant.

The final jailbreak escapee is caught, but he escapes police custody and is on the loose in Miami, and the life of one of his former cellmates is turned upside down by his actions.

After a young woman is tortured and killed in the hurricane shelter of a foreclosed home, and another body is discovered in a state park, CSI suspects that it is looking for a man and woman team of serial killers.

A real estate developer is murdered, and the investigation uncovers a complex web of deceit involving his wife her two identical triplet sisters. But the apparently-murdered developer may have had a surprise of his own.

CSI steps up the search for potential serial killer who may be connected to a professional photographer after it discovers that Natalia's sister may be the next victim.

Horatio finds a confused, disoriented man in the Everglades next to a buried severed head, and soon discovers that the man may have committed the crime while in a dream-like trance.

When a suburban soccer mom is murdered, the CSIs uncover her family's dark past, while Delko continues his undercover mission.

When Natalia's ex is found dead at his home, Horatio must step into the investigation to keep his team safe from an overeager investigator.

A skydiver is killed after his parachute is sabotaged, and the suspect list includes more than 100 of his sperm donor children.