The day of the prophesized flashforwad date arrives as everyone waits to see if their predictions take place. Mark uncovers the date of the next blackout, and Simon, with Demetri, attempts to stop it from happening by breaking into the NLAP mainframe.
Mark continues his interrogation of Hellinger in a desperate attempt to find out when the next blackout will occur. Demetri must choose between helping Janis and Simon break into NLAP to stop the blackout from occurring, or turning the fugitive Simon in to the FBI. Elsewhere, Lloyd finds the common denominator that can help him solve the complex equation he was working on in his flashforward.
Mark does everything in his power to protect Gabriel, who is the bridge between Dyson Frost and the Global Blackout. Aaron locates his daughter's captors and puts his life on the line in order to rescue her, while Simon comes face to face with the head of the nefarious organization that may be responsible for the blackout.
Demetri and Agent Banks attempt to track down a killer as questions arise about the universe course-correcting itself, when people who thought they'd escaped their fates are found dead. Mark reluctantly agrees to help Simon find his sister, Annabelle, but discovers he's withholding the truth about her true circumstances.
Olivia receives disturbing news from Gabriel; Aaron's life is in danger as he continues to search for his daughter in Afghanistan.
Mark and his team search for Demetri, while terror suspect Alda promises to give Zoey information on Demetri's whereabouts. Elsewhere, Olivia learns the identity of who sent her the text message about Mark's flashforward.
Demetri decides to put a rush on his wedding plans with Zoey when the captured FBI mole confirms the date of his prophesized murder. Meanwhile, Wedeck tries to help Aaron infiltrate Jericho in order to rescue Tracy.
Mark and Vogel put a plan into action to uncover the FBI mole, which could end up alienating Mark from his co-workers. Meanwhile, in an effort to protect his family and his marriage, Mark moves out of the house, and Keiko continues her search in Los Angeles for Bryce.
Demetri, Janis, Simon and Vogel go to Somalia to search for clues. Meanwhile, Bryce tells Nicole he has cancer, and Olivia tries to get her daughter to tell her what she saw in her flashforward.
Aaron tries to figure out why a black-ops unit is looking for his daughter, while Mark questions Lloyd about a conversation that occurred during their flashforwards. Zoey tries to alter Demetri's fate.
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.
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.
Against Wedeck's orders, Mark and Demetri travel to Hong Kong in search of the woman claiming to know details of Demetri's fate. Lloyd tries to come clean about his and Simon's involvement in the global blackout, and Zoey discovers the true meaning of her flashforward.
While Bryce begins his search for the woman in his flashforward, Aaron becomes concerned over Tracy's odd behavior. Mark attempts to track down the person responsible for texting Olivia and outing his drinking during his flashforward vision, and Demetri's co-agents try to find the mysterious caller who forewarned him about his unfortunate fate.
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, Demetri, Gough and MI-6 Agent Fiona Banks look into a Blue Hand club's possible connection to recent suicides. Elsewhere, Aaron gets a surprise visit from a former Army pal of his late daughter.
Mark, Demetri and Wedeck try to connect Janis' attack with a separate attack made on them, and Olivia confronts Mark about his experience. Elsewhere, Demetri and Gough track down a clue from Mark's board, and Dylan goes missing from the hospital.
Mark finds himself on the defensive during a Senate Intelligence Committee hearing. Janis wonders how her vision will affect her current romantic relationship, and Olivia receives an anonymous message.
Mark thinks Demetri is letting his fear take over his life, while Nicole reveals her shocking vision that involves a murder.
A Nazi claims to have knowledge about the blackouts. Meanwhile, Demetri receives an anonymous tip about the future, and Aaron tries to get approval to have his daughter's body exhumed.
Demetri and Mark travel to Utah in search of a suspect who might be connected to the global blackout, while Olivia runs into the man from her vision.
When the world's population is given a glimpse of their future due to a mysterious global event, it forces everyone to come to grips with whether their destinies can be fulfilled or avoided.
