Lin Fan died tragically after struggling for three years in the apocalypse, and was reborn three hours before the apocalypse broke out. He quickly stocked up on supplies (specializing in "non-mainstream" necessities such as hot pot base ingredients and fat house happy water), and at the moment of doomsday, he bound the [Positive Energy Survival System]. The system's way of issuing tasks is extremely unsatisfactory (for example: using square dancing to attract the first ten zombies, which will reward the god-level skill [Immunity to Dancing]), which starts the hilarious survival.