Hong Yang, an orphan from the country's subjugation, relied on the map of the deserted village left by his mother to find a hidden mountain village in the doomsday wasteland, and met the goddess of revenge Yang Duo, the happy bride Xue Ge, and the female guard Chu Shuang. Using the deserted village as their base, the four used strategies to deal with crises such as bandit robbery, mutant creature attacks, and resource shortages, and gradually strengthened the camp's power. The protagonist Hong Yang uses the survival wisdom of "step by step" to balance the emotional interaction with the three heroines, guard a pure land in the doomsday, and finally usher in the dawn of outside rescue.