Fifty ordinary people are accidentally transported to a mysterious elimination factory, where they are forced to participate in life-or-death betting games governed by the Chinese zodiac. Jiang Yu, a mechanical maintenance worker, enters the game alongside his wife, but the very first game separates them forever. In the depths of despair, he awakens the Seed of God and goes on to face numerous perilous trials, meeting a group of allies who fight alongside him. Together, they overcome layer upon layer of challenges, investigate the factory's secrets of selection and evolution, and search for the consciousness his wife left behind. They strive to break the cruel rules that force them to slaughter one another and find a slim chance of freedom and survival.