The investigation of the murders of 2 young models hit a sudden stop when the two perpetrators have diplomatic immunity from the US government.

Maggots dropping down to the neighbor below from an apartment being renovated allow discovery of the body of Peg Donovan. Her skull was smashed with lumber, but she survived. Horatio's only logical suspect is Mason Shaw, who was convicted for raping her, and maybe planning from jail to prevent her testimony ruining his up-coming parole hearing. The team must find proof beforehand if he orchestrated everything from his Georgia prison somehow manipulating his own son - Chuck Shaw.

Three murder cases are investigated after Hurricane Anthony hit Miami.

A man is found dead, his throat slit, in his office. Meanwhile, Raymond Caine's case is re-opened and eventually solved when Horatio Caine finds more evidence about the murder.

The body of a young woman is dropped over railing. It appears that she has been dead prior to the fall.

A plastic surgeon is found dead, hanged in his own apartment. Meanwhile, a husband of his former patient, who died from complications during a routine surgery, is suing the clinic for the death of his wife.

An ex-torturer who once worked for the government of Cuba is found dead, bound to a chair, showing signs of gruesome torture.

A slow burn in the Everglades that turns on itself yields a body different than the one Eric and Alexx were brought out for, and endangers their lives; Horatio thinks he's found a sexual predator, but now he must prove it.

A masked man breaks in and trashes a house before shooting the father. The son is later found by the CSI team in a freezer.

A police officer literally drops down dead besides a car he pulled over.

A porn star is strangled to death. Evidence points to the owner of her studio as a primary suspect.

A boat crashes into a bridge. On it is a dead body of a man. He was killed while delivering ransom money to his son's kidnapper.

Horatio's attempt to protect the young witness of a drive-by boat shooting at a party may put Yelina's life at risk when the suspect finds out about the boy.

A woman falls from the sidewalk and is hit by a speeding bus. She dies instantly. A hand-shaped bruise on her back convinces both Alexx and Horatio she was murdered. Horatio wants someone with no biases to work on the case and assigns the rookie Ryan to the case. Horatio just hired him because he is impressed by how clean Ryan's guns are. Calleigh's father thinks he may have killed someone while driving drunk.

A group of teenagers gather at a golf course at a specified time. After the flash mob disperses, a body is found near the site. The CSIs follow the mob to a very prestigious prep school. They manage to trace the origin of the text messages telling the receivers to meet at the golf course to the son of one of Florida's most famous defense attorneys. At the same time, Horatio and Yelina are working to find the killer of a woman found in a dumpster.

A young girl is stabbed to death in a trendy night club. Jenny was an undercover investigative aide working for the Alcoholic Beverage Control. Her target was the club owner. As Horatio is questioning him, a loud noise draws him outside where a car speeds up and crashes into the door. The body at the back of the car leads the detectives to a spa where they suspect that there is something illegal going on.

An impending tsunami is the backdrop for a heist gone wrong and bodies keep stacking up as Horatio and his team struggle to pin down the man behind everything.

After speed-dating 15 women, each 5 minutes, in a South Beach club, Richard Laken is found murdered in his vandalized car. The stylist date who poured the acetone -accessible in her trade- over it admits so, but did so well before the murder, so her story that Laken left early is believed. Indeed, the club's dates record shows Richard left after talking to Rebecca Briggs, who claims he was systematically using their information to commit robberies, but that proves to be the club manager's scam. However at least someone else in the club had a murder motive...

After a just married couple finds 5 dead men while diving it looks like a ship has been pirated and Horatio and his team have yet another murder case.

A man is seen falling from an apartment building, yet the corpse found there is not his but Michael Johnson, a resident, who was deeply wounded by an unidentified round object. First subject is junkie Doug Ramsey, who is arrested by Horatio for probably abseiling to break in and steal the $100,000 heirloom ring of the condo owner, Edward Mathis, who is however found taking it back after its sale, insurance fraud. The wounding object is found, a CD recording kinky sex scenes of missing Donna Scott and reputedly strict criminal judge Isaac Greenhill, whose former court clerk is Mathis, who apparently blackmails him. Ramsay claims police abuse, IAB Sergeant Rick Stetler investigates Horatio, but Ramsay's X-rays... Speculating on a link with the judge's major cases, the team finds Donna's corps in a strangler's peat swamp dumping ground, with vomit which allows a DNA trace to Mathis, but Horatio now considers him a mere pawn...

A husband and wife are carjacked and she later ends up dead and her husband is wounded. The husband is the oldest brother of a family that owns a very good business.

A presumed retaliation shooting in an ER turns out to be a bit more complicated, and Ryan begins to suspect a mother of abusing her baby.

The team investigates the murder of a bellman at a hotel. A man asks Calleigh to look for his wife who is missing.

When a snake is tied to drug smuggling, DNA may be the key to Clavo Cruz's father's cooperation around diplomatic immunity. Ryan and Calleigh get caught up in an identity-theft case and linked murder.

When a cargo plane crashes, Horatio must determine the cause and how a corpse ended up in the hold.

The team investigates the murder of a tester who works for a skateboard empire, and Horatio moves fast to find a stolen sex video before it's marketed.

A woman is murdered at a bar that serves more than just drinks. After a night out, Delko's badge is missing. Horatio finds out that his brother killer is really a DEA agent under deep cover and his brother is still alive.

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.

Tobey Hollins is caught by the Miami Police Departement and is sent to prison for murder. Horatio has some doubts about Tobey's guilt, since some evidences clearly identify some one else as the murderer. Horatio and his team now try everything to disprove Tobey's guilt.

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.

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.

A participant in a seminar on how to pick up women is found murdered after he's "closed the deal." Elsewhere, Marisol gets into trouble that affects the lab.

The owner of a club is found hanging from a bridge, with two shots in his eyes and a joker card in his pocket. At first it looks like a Mafia work, but the suspects list drastically changes when the CSI team discovers that the murder is described in the script of an upcoming movie.

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 team works to implicate a man, after he is acquitted, when the body of his wife finally turns up.

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.

When a man is killed by sharks after going overboard a cruise ship, the team finds multiple suspects and another missing passenger.

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.

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.

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.

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

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.

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.

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 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.

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 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.

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.

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

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 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.

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?

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.

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.

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

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.

When a snake is tied to drug smuggling, DNA may be the key to Clavo Cruz's father's cooperation around diplomatic immunity. Ryan and Calleigh get caught up in an identity-theft case and linked murder.

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 woman is murdered at a bar that serves more than just drinks. After a night out, Delko's badge is missing. Horatio finds out that his brother killer is really a DEA agent under deep cover and his brother is still alive.

The investigation of the murders of 2 young models hit a sudden stop when the two perpetrators have diplomatic immunity from the US government.