Extreme weather has torn the world apart, and food has become the lifeblood. Zhang Tie clutched his ancestral pocket watch and hid in the ruins, but he opened a different space where food could be grown. As soon as the first crop of vegetables was ripe, a man with chemical scars approached with a knife: "This technology should have been mine." The hundred-day countdown started, the knife for grabbing food, and the watch with hidden secrets. Who can survive until tomorrow?