In season two, the Dessens settle into a quiet life in a world that finally seems safe, until the unimaginable forces them to run once again. As Jason's obsession with the Box deepens, Daniela's growing paranoia pushes her to the brink, threatening to tear their fragile stability apart. Elsewhere, Amanda and Ryan join forces in a desperate attempt to find their way home. With Blair determined to stop him, Leighton relentlessly chases his grand vision of creating a perfect world.

Three detectives become embroiled in a tense struggle after a tragic accident that leaves a child in critical condition. One is guilty of a crime, one will try to cover it up, and the other attempts to expose it. How far will these men go to disguise and unravel the truth?