Zhu Yan traveled to the Northern Wasteland where demons were rampant, and was sacrificed by the tribe as a sacrifice as soon as he landed. In a desperate situation, he used the modern knowledge of ice mirror to make fire to save his life, and unexpectedly obtained the inheritance of witchcraft. Leading an ice cave settlement that lacks food and clothing, he digs ice to fish, smelts salt and iron, tames animals and practices witchcraft, and fights against ferocious beasts and alien crises in the dead of winter. He gradually grows from a sacrifice to be slaughtered to the witch master of the Northern Wilderness who controls the destiny of the human race.