When the apocalypse strikes with extreme weather and starvation, Liu Shi is cruelly murdered by his ungrateful in-laws after bringing them food. Suddenly, he is reborn, returning to the world six weeks before the doomsday clock starts ticking. This time, Liu Shi immediately divorces his traitorous wife and uses his knowledge of the future to save the city's richest man, inheriting an enormous fortune. As the world descends into chaos, Liu Shi builds a fortress of survival, punishing the evildoers who once killed him and rising as the ultimate savior of humanity. It’s a story of rebirth, justice, and survival against the end of the world.