Sam and her friends are terrorised during a party by a group of young men on a desperate hunt for something in her house.

An explosion inside a casino brings Catherine Willows back to Las Vegas to investigate. And when the crime is tied to Lady Heather, Gil Grissom is brought back as well…

Leonard Shelby is tracking down the man who raped and murdered his wife. The difficulty, however, of locating his wife’s killer is compounded by the fact that he suffers from…