The lead suspect in a murder investigation is a woman that Gibbs' friend, Phillip Brooks, met on a dating site; Sloane has a secret admirer on Valentine's Day.
The murder of a lothario sparks an investigation into New York's elite. Castle organises a surprise for Beckett to mark their first wedding anniversary.
When Ray helps a wealthy family free their kidnapped son, he finds himself entwined with a new class of people. Mickey stumbles upon a new enterprise, Abby finds a friend, and Bunchy's confidence falters.
Election Day rolls around and with his stake of the NFL team in writing, Ray prepares to take down a rival bidder. Mickey has to find a way to keep the prostitutes working.
Lucy asks Eric to investigate her friend's lies; Matt intervenes when Mary is harassed; Simon is jealous of Ruthie's friend.