The end of the world has come, and the world has been reduced to a prehistoric ruins. Human beings are trying to survive in the cracks between monsters and supernatural organizations. {Chen Ye} was originally an NPC in the "survival game" in the wasteland, but he accidentally awakened his self-awareness and was bound to the "Destiny Mission System". He is both good and evil, and will do whatever it takes to complete his mission. However, during a mission, he encounters the enchanting Su Mei. Su Mei's life experience is a mystery, which seems to be related to the supernatural organization that is chasing him, and also involves the "plot" in which he was tampered with. Lin Weiwei, the junior in the organization, has repeatedly set up traps because of her obsession with revenge. Shen Ye and Su Mei rush into ruins, fight monsters, and uncover conspiracies. In missions triggered by accidents, they uncover the truth about the doomsday and change their fate against the will of heaven!