While vacationing at a remote cabin, a young girl and her two fathers are taken hostage by four armed strangers who demand that the family make an unthinkable choice to avert the apocalypse. With limited access to the outside world, the family must decide what they believe before all is lost.

After a family tragedy, Chuck Wilson hopes to start a new life in Ashland Falls with his wife Maria and little sister Elizabeth, but he quickly discovers that the town has a dark secret.