Phil and Claire are hurt when Alex lies about her college move-in date and Luke doesn't want to spend the day at Phil's open house. Mitch and Cam stress about being landlords.
Lexie watches Zola as Meredith and Derek try to have a night to themselves for Valentine's Day; Callie surprises Arizona with a romantic evening; Ben tries to prove that he knows Bailey better than she thinks.
A vigilante killer is on the loose in Cleveland, JJ's secret finally catches up with her, and Rossi is on the search for his missing Marine sergeant.
The BAU team search for a killer who telephones the authorities before committing his crimes. As Rossi prepares for a visit with his daughter, he receives news concerning the death of an old friend.
Gibbs investigates when a man charged for murder a decade ago claims he was framed by the NCIS agency. FBI agent Fornell joins the team.