Luke White

A massive storm brings the NCIS team aboard the USS Borealis, where everyone becomes a suspect once the crime scene proves that Mother Nature wasn't the only culprit.

Bosco and his agents are gunned down within the walls of CBI headquarters. With two men dead and Bosco in a critical condition, Lisbon and her team race to find the perpetrator. As the investigation progresses, it becomes clear that notorious serial killer Red John is responsible - and he has an assistant inside the department.

While Sam and Deeks recover from traumatic torture that will have a lasting impact on their personal and professional relationships, lives are still in jeopardy as the team searches for stolen nuclear weapons.

Officer John Cooper returns to duty after recovering from surgery; Lydia helps a former informant; Ben, Sammy and Dewey chase an armed man into a school; Ben argues with an intense street cop.

Everyone in Chatswin celebrates Mother's Day which leaves Tessa feeling left out. Dalia ditches Dallas to go to Israel. When Eden and George go to the Lerners' baby shower, Eden isn't pleased with the party theme.