After a plague of the undead decimates human life on Earth, a former hit man (Mark Dacascos, John Wick: Chapter 3 - Parabellum), his wife and daughter live quietly in a survivalist compound. But when the compound is attacked, a massive explosion summons a swarm of the undead, and only Bree and her father escape. As they seek out the Haven - a rumoured sanctuary up north - the hit man teaches Bree to shoot, drive and survive, sensing his time is running out.