Mark's romantic getaway with Olivia is cut short when he gets a tip that leads him to the tattooed assassin who appeared in his flashforward. Aaron learns the truth about his daughter's accident.

Mark must meet with a therapist to regain his badge after being suspended by the FBI; Demetri reluctantly teams with CIA agent Vogel to search for Lloyd; Janis learns family secrets about Simon.

A suspended Mark resumes his own investigation into Lloyd's disappearance. Simon attempts to hack into Lloyd's computer in search of clues, and Nicole speaks with a man who was transformed during the blackout in order to help her restore her faith and understand her horrific flashforward vision.