Cat (Kristin Kreuk) and Vincent (Jay Ryan) are unsure if they can trust Alex (guest star Bridget Regan) with the truth about his past. Evan (Max Brown) realizes that Claire (Kelly Overton), the woman he is dating, is hiding things from him. Heather (Nicole Gale Anderson) meets and falls for Joe's (Brian White) younger brother Darius (guest star Christian Keyes), and Vincent tries to win over Cat with romantic gestures for Valentine's Day.