Due to a mutation in human genes, those with extraordinary genes may awaken superpowers, while those with monster genes may mutate into monsters.The male lead, Xing Cun, mutates into a monster, but awakens and is reborn thanks to the sacrifice of the female lead.In this life, the former playboy turns over a new leaf. To protect the female lead, he hides among the superpowered as an ordinary person, secretly using his monstrous body to hunt other monsters, seize the power of an ancient demon god, and prevent its resurrection—thus saving the world.