Bar Paly

Lily and Marshall forget to fix Ted up on a blind date for Valentine's Day; Robin's obnoxious colleague invites her to a party at his apartment.

The team seeks out the murderer of a navy machinist who had high security clearance. Meanwhile, Sam helps Hetty search for the mole.

A maintenance worker with a dark past puts a local teenager in danger. Meanwhile, Sam must choose which of his colleagues he will take to the football game.

Sam goes undercover using an old alias to take down a drug lord; Callen and Anna pause their romantic night to escort a prisoner.

The team goes undercover with Arkady's daughter at a Los Angeles gala to gain access to the Russian consul general's computer.

A Cuban spy escapes custody before a scheduled prisoner exchange with his country; Kensi learns that Deeks thinks she's too messy.