After an unexpected turn flushes his chosen career down the toilet, Dex Sanders is struggling to make ends meet as a used car salesman. Despite the drudgery of the job, he manages to put on a brave face for his wife, Reagan, and their two boys, until the day an unsettling encounter with a stranger coincides with a mysterious package appearing on their doorstep. Later that night, Dex and his family are abducted by a group of armed men and taken to an underground bunker, where Dex is tortured. When Dex can't answer any of their odd questions, the strangers conclude they've nabbed the wrong guy, and the entire family is marked for execution. With the clock ticking, Dex must free his family and retrieve the strange box that seems to hold the answers. But doing so means running from relentless killers, uncovering the truth behind an evil as old as time, and stopping a supernatural power that threatens the entire world.