Jonathan Weston is reborn three days before the apocalypse.With his daughter Riley, he hides in an unfinished building—and unexpectedly activates the Doomsday Fortress System.Haunted by the memory of Riley being devoured by her in-laws in his past life, he vows: blood must be paid with blood.He races against time—stockpiling supplies, upgrading the fortress, preparing for the coming frozen wasteland.While fending off greedy intruders and enemies from his past, he fights with everything to protect his child.