Zhang Miao, who had resurrected his life, abandoned his hypocritical and selfish boyfriend Lin Feng before the global high temperature apocalypse came, and quickly returned to his old house on the outskirts of the city to join his father Zhang Wei. The father had the foresight to stock up on supplies, and the father and daughter built the old house into a doomsday fortress with iron walls and iron walls, welding the doors and windows shut, setting up traps, and successively repelled neighbors who coveted the supplies and the plundering gang led by Lin Feng. With sufficient supplies, tacit cooperation and previous apocalyptic experience, the father and daughter overcame many crises and finally drove to the large survivor base taken over by the army, ushering in the hope of life in the gradually decreasing heat.