It’s April 29, 2010, and the world waits to see if their flashforwards will be fulfilled. Meanwhile, Simon and Demetri try to stop the next Blackout from occurring.

While Mark interrogates Hellinger about the next Blackout, Janis and Simon secretly approach Demetri and ask for his help in stopping the coming event. Meanwhile, Aaron discovers why Jericho wants Tracy dead, and Nicole must make a fateful decision in her relationship with Bryce.

On the eve of the flashforward day, the world waits to see what will and won't come true from their visions. Meanwhile, Mark must protect Gabriel, Aaron finds Tracy and attempts to rescue her, and Simon meets the organization responsible for the Blackout.

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 [...]

While Aaron begins his search for Tracy in Afghanistan, Olivia receives a call from Gabriel.

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.

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.

In Somalia, Vogel and the others investigate the remaining tower for clues to the Blackout. Meanwhile, Olivia tries to convince Charlie to say what she saw during her flashforward, and Bryce tells Nicole that he has cancer.

While Demetri teams up with CIA agent Vogel to track down Lloyd, Mark must meet with a therapist to get back his badge. Meanwhile, Janis investigates 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 – against Simon’s better judgment — and Zoey discovers the true meaning of her flashforward.