The CSIs race against the clock to find an injured Sara, who has been kidnapped and put under a car in a remote area of the desert by the Miniature Killer.
While CSI tackles cases involving a teen beheaded in a go-cart accident and the murder of an iconic gentleman's magazine publisher, Ecklie confronts Gil and Sara about their concealed affair.
The parents of a missing girl are found murdered in a seedy motel room, and a registered sex offender now working as a church pastor is suspected. Meanwhile, Sara tackles a case involving a dead homeless man.
The hanging death of a possible hermaphroditic male is connected to a tainted water supply, while the day crew investigates 40-year-old skeletal remains found at the site of a recently-imploded casino.
A young boy and his babysitter are murdered. The case is similar to an open child abduction case, so FBI agent Jack Malone comes in to investigate. Part one of a crossover with "Without a Trace."
The murder of a co-ed leads to the investigation of a brother and sister who were involved in another murder case from Sara's past, and the case drives Sara over the edge.
Two dead bodies lead CSI to an old-school mobster who runs a strip club. Meanwhile, divorce proceedings and prescription drug addictions cause Warrick's life to begin spinning out of control.
A well-known Las Vegas humanitarian is killed for her involvement in a dog-fighting ring, and CSI searches for clues in the strip club murder that Warrick was framed for.
The discovery of the body of a witness shot in a burned-out car could compromise the DA's case against the leader of a Latino gang. But was the gang really involved in the witness' murder?
CSI investigates the death of a toddler who was left in a cardboard box in a parking lot. A registered sex offender who is wrongly accused threatens Catherine after the real cause of death is identified.
A nightclub owner serving time in prison gets a temporary leave so that he can help Brass and Stokes investigate a double homicide with several connections to him.
A temperamental sitcom actress is found dead in her Las Vegas hotel room, and there are plenty of suspects. Soon afterward, her photo double is also killed, this time in Hollywood in the dead actress' car.
A mobster that Warrick had a run-in with is found dead, and Warrick is found at the scene with the murder weapon. However, he insists that he has no recollection of the crime.
