The jury of a brutal murder of a woman visits the crime scene and a juror falls down with a seizure. After the initial chaos, the defendant, the victim's husband, is found dead with a knife stuck in the back of his head.

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.

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...

During a routine traffic stop, a cop gets killed and the civilian who drove along with the cop is missing. Horatio and his team find out a 16-year old girl has got something to do with it.

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 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.

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.

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.

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.