Guan Qianfan, a teacher at Yuncheng University, accidentally became the Supreme Saint in the cultivation world after being bullied by students. Sensing a crisis on Earth, he traveled through time and space back to Yuncheng University. He discovered that his son, Guan Ruofei, was being bullied on campus and decided to rectify the class atmosphere, inadvertently triggering a series of misunderstandings. During his interactions with colleagues Yan Yushuang and Vice Principal Lin Wanqiu, Guan Qianfan gradually revealed his cultivation abilities, helping his son escape from trouble and leading the students to victory at the sports meet. Meanwhile, his relationship with Yan Yushuang deepened, but they fell into trouble due to misunderstandings. Facing the hostile forces of the Penglai Immortal Sect, Guan Qianfan relied on wisdom and strength to crack five levels of barriers, protecting his family and friends.
