When a suburban soccer mom is murdered, the CSIs uncover her family’s dark past, while Delko continues his undercover mission.

Peter’s past as a sperm donor catches up to him when many of his children show up unannounced to his house.

Patrick Jane and the CBI team hit the horse track when a jockey is found murdered and suspects abound.

After returning to her job at the Department of Defense, McGee’s girlfriend Delilah finds a break in a controversial case, prompting her to turn to the NCIS team for help….