The CBI team is faced with a violent and shocking crime in its own office, but must work the case in spite of their alarm of who may be behind it. Meanwhile, Agents Rigsby and Van Pelt are definitely an "item".
Chief Minelli (recurring star GREGORY ITZIN) orders Patrick Jane and Lisbon and company to play nice and work together with Bosco and his team to locate a kidnapped woman being held for ransom.
When Carrie learns Doug stole the romantic line he used when they started dating, he struggles to come up with a new one for Valentine's Day to try to redeem himself.
Taylor's ex-husband, Henri-Michel, gets a little too close to home while promoting his erotic memoirs, causing Ryan to question his own relationship with Taylor.
Dre is determined to keep the peace on Valentine's Day; Diane's siblings try to teach Diane how to give a compliment.