The investigation into a double murder leads to a young alcoholic whose family once lived in the victims' house and who had admitted to his AA group that he's had nightmares about killings.

When a young attorney is murdered shortly after he decides to file a sexual harassment claim against his employer, Briscoe and Curtis quickly discover that the alleged harasser and his wife each have an excellent motive for murder.

Briscoe and Curtis's investigation of the murder of a rare coin dealer nets them a millionaire as a suspect, but Ross has to play detective too as the DA's office tries to establish a provenance for the missing coin collection.

The death of a lab technician and the abduction of 17 infected monkeys lead to a trial involving the treatment of research animals.

Green and Cassady investigate after the photograph of a dead woman is found on a popular website, B-Frendz.com. Their investigation leads them to a mentally disturbed young man whom the teenage daughter of the victim claims kidnapped and raped her, but his lawyer offers up an even greater incentive -- the supposed kidnapping victim, Molly Preston.