NCIS investigates Marine Corporal Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist. Also, Gibbs befriends his new neighbors after the 9-year-old’s…

The lead suspect in an NCIS murder investigation is a woman Gibbs’ friend, Phillip Brooks, met on a dating site. Also, Sloane has a secret admirer on Valentine’s Day.

Gibbs and Ducky are watching TV when they see the host handling a 200-year-old war stick that could be a match from a decade-old cold case.

Palmer is put in grave danger when he becomes the target of an anonymous murderer, whom only he can recognize.

When a gang identifies and executes an undercover agent, the team must locate a mole before other agents are put in danger.