Grissom, Sara and Brass are called to Sparks State Psychiatric Hospital when a nurse discovers one patient murdered with his skull smashed in, and another huddled in the opposite corner, covered in blood.
When Jim Brass receives a rare phone call from his daughter Ellie, he takes emergency leave and travels to Los Angeles to help her find a friend who has disappeared.
Sara and Greg investigate the death of two naked students at WLVU, who clearly died after a night of lovemaking. What is not clear is what turned their bodies pink, after carbon monoxide and cyanide have been ruled out as cause of death.
A lonely and frustrated Catherine meets the wrong man in a bar, but doesn't admit to the encounter - even when he turns up as the lead suspect in what may be a double homicide.
One night, four cases. Grissom and Brass get a stolen hummer and a taco stand. Warrick gets a dead car show girl. Sara and Greg get a dead bodybuilder. Nick gets a dead boy found on a bench.
Grissom, Sofia, Sara and Greg investigate the disappearance of a woman coming home from a night out with a friend after her abandoned car is found on the edge of a highway.
Grissom is shocked to discover the prime suspects in his ongoing homicide investigation shot to death in their house. But what is more surprising is that their murder points to an inside job.
When Grissom and Warrick arrive at a burglary scene, they are shocked to discover the mummified corpse of an elderly woman locked in a closet from a prior home invasion.
Grissom and his team are called to investigate a multi-million dollar art robbery, while Catherine and Warrick investigate the death of a woman with a bite to her jugular.
A woman found murdered in her home. Her resemblance to Sara causes Grissom to take a personal interest in the case and forces him to examine the decisions he has made in his life.
The lone holdout on a jury is found dead in the jury room. The eleven jurors who were voting guilty and who hated the dead juror are the natural suspects.
Catherine and the team find what's left of a body tied beneath the undercarriage of a prison bus and must determine whether this is an escape gone horribly wrong, or murder.
Grissom and Catherine investigate when a leg is found severed from a body in a lake. Meanwhile, Sara and Nick investigate a fraternity pledging gone terribly wrong.
Grissom and Brass track down a serial killer who stages his murders so that they appear to be suicides. Meanwhile, Willows and Brown investigate a robbery and a homicide.
Catherine violates department protocol when she takes the case of a rape accusation against her ex-husband. Meanwhile, Warrick and Sara search for the missing bullet that will either exonerate or indict a cop for murder.
Grissom and his team investigate a murder suspect who is caught red-handed, while Catherine and Warrick take on the case of a woman found dead in a hotel spa.
Grissom and his team investigate a casino heist during which innocent victims were shot, while Catherine and Sara are called to the scene of a murder in a remote part of the desert.
Grissom and Sara are called to the crime scene when two murder victims are found hidden in pipes at a construction site in the middle of an alfalfa field.