There’s a serial killer on the loose in LA. Since this is a very high-profile case, the sheriff brings in the FBI to help. This annoys Grissom very much as the FBIs like to assume many things while he prefers to let the evidence speak for themselves. Due to his seemingly refusal to cooperate, he is taken off the case. His team, however, knows better and keeps their boss informed on the details.
A head is found in the trunk of a car.
Katherine gets emotionally involved while investigating the death of a six-year old girl at a carnival. Grisson, Nick and Warick take on the case of a jogger who was apparently attacked by an animal who knows how to use a scalpel.
Grissom, Sara and Warrick investigate the apparent hit and run of a young man…they soon discover he was deaf. Meanwhile, Nick and Catherine are attempting to solve a mass murder in a coffee shop.
A kidnapping case becomes unusually personal to the usually detached Grissom. The 4-month old baby, Zach Anderson, was allegedly kidnapped from his home. A ransom note, found by his mother, is left in his crib. Many things seem strange about this case as more evidence are analyzed. When Zach’s body is found on a nearby golf course, the team is sure that his death is no mere accident.
A couple walks out of a fancy restaurant to their car. They are attacked and killed. When the team arrives on the scene, the only eye-witness is a young man who stayed behind to give his statements. Catherine investigates the collapse of an apartment building which resulted in the death of three elderly people.
A thief is found dead from blunt force trauma to his head in a pottery store where he was evidently trying to crack a safe. The team dusts the store and finds the fingerprint of a girl who has been missing for the last 20 years. Sara and Warrick find what’s left of an old woman in her rocking chair. The two believe that they are witnessing a case of spontaneous human combustion. To prove it, Sara decides to conduct an experiment by herself.
A Jane Doe is brutally attacked and raped before being left to die on the side of the road. With two bullets lodged in her brain, she is in a deep coma. Catherine and Warrick work on an open case of a man killed by his neighbor. The statements from the accused and the deceased’s wife contradict each other.
The team arrives at a charity fund-raiser being held at the house of Portia Richmond, an ex-show girl who became very successful, where a body is found floating in the swimming pool. Portia herself is absent from the scene. The two hosts, Patrick and Amanda Haynes, claim that she is on vacation in Europe. Warrick works on a case of a mob shooting. The deceased is found in a glass elevator with a quarter stuck in the bullet wound on his forehead.
A human bone is found in the desert accidentally by a dog playing fetch with a man and his son. Grissom and Catherine assemble a team to comb the area for more bones. Back at the lab, they piece together the skeleton and determine that body was cut to pieces. From his teeth, the deceased is identified as a 70-year-old Mel Bennett. Catherine and Grissom pay a visit to his wife, who claims that her husband is at a nearby store. Sara and Warrick are called to a motel where a male stripper is found dead on the bed. The room is registered to a woman who recently threw a bachelorette party for her friend.