A series of deaths in one shift, including a man found dead on his couch and a recently divorced man found in a pool, instigate a bet between the CSIs.

An ex-cop convicted of murdering his wife is killed in prison. The CSIs discover in his cell a list containing the names of people the victim believed may have been his wife's real killer

The CSIs are on zombie alert when two men initially pronounced dead mysteriously come back to life

Langston testifies against a notorious killer; Nick gets a call telling him he is in danger.

A dead body is found in a box donated to a thrift store; Langston's wife visits the crime lab.

A night full of celebration ends with a bang when the director of a scholarship foundation for the deaf is killed by a deadly car bomb, prompting Sara (Jorja Fox) to interrogate the students and faculty of the college where her mother-in-law works.

A body with unusual burn marks is discovered on the side of the road; Greg asks a teacher (Dita von Teese) out on a date.