Li Yuan, the son of the Demon King, was exiled to the human world in the name of training as soon as he was born. After countless thefts, frauds and wandering on the streets, he was taken in by a generation of immortals, Qingwu Xianzun. Qingwu Immortal Lord liked to travel around the world, so Li Yuan was taught by several of his senior brothers. However, Li Yuan was naughty by nature and refused to be a good apprentice, causing the entire Qingwu Peak to be in a state of uproar. But Li Yuan was used to being coquettish and cute, and several senior brothers couldn't do anything to him. Until one day, Li Yuan accidentally got into trouble with a lonely senior brother, and a tug-of-war between immortals and demons began...