Modern man Li Ang traveled to Shituoling and possessed the corpse of a recently expired death row prisoner, becoming a "human animal" raised by monsters. Bind the sign-in system in a desperate situation and obtain the first sword. Starting from hiding in stone crevices and assassinating lone monsters, he spent twenty-five years leading his mortal followers to gradually encroach on the periphery of Shituoling. Finally, he broke into Shitu Cave and killed the three monster kings. In the cave, he discovered a shocking and bloody account - monsters eat people and only "collect rent" for gods and Buddhas.