15. Queen Sacrifice
While Mark and Vogel try to identify the mole in the FBI, Mark is forced to leave Charlie and Olivia alone to protect them. Meanwhile, Keiko searches L.A. to find Bryce, her flashforward love.

16. Let No Man Put Asunder
After the mole confirms the date of his death, Demetri makes plans to marry Zoey prematurely. Meanwhile, Aaron works with Stan to infiltrate Jericho to find Tracy, and Lloyd and Olivia grow closer.

17. The Garden of Forking Paths
While Mark and the other agents search for the missing Demetri, Zoey learns the price she'll have to pay to save him. Meanwhile, Olivia discovers who sent her the text message about Mark's drinking.

18. Goodbye Yellow Brick Road
While Aaron begins his search for Tracy in Afghanistan, Olivia receives a call from Gabriel. Meanwhile, Mark realizes that a clue to the Blackouts is closer than he imagined, and Janis realizes she's in over her head.

19. Course Correction
Simon turns to a reluctant Mark for help finding his missing sister Annabelle. Meanwhile, Demetri and Agent Banks join forces in the hunt for a killer but learn that escaping a flashforward destiny may not be as easy as they thought. Nicole learns where Bryce's flashforward love Keiko is to be found, but is reluctant to tell him given her own feelings. And the FBI finally learn who Suspect Zero is.