"What use," he reasoned, "is survival at any cost ... if we become little more than animals?" Believing each other dead, Greg and Emmie fight to survive in a post-apocalyptic world of isolation, desperation and vigilantes. Their own child lost, Emmie traumatically conceives a child she hates. Even should they find each other, Emmie's tragic secret and Greg's drastic transformation threaten to destroy the foundations on which a new future together might be built in the harsh wilderness around them.