This film is adapted from the classic youth inspirational comedy "The Legend of the White Pig" from twenty years ago. It tells the story of a lazy pig who just wants to live a comfortable life without worries. He accidentally gets the opportunity to be a human being. Taibai Jinxing tells him that he is the eighth reincarnation of Zhu Bajie. Then he is involved in the journey of the cat demon and Xiaolongnu to find the golden elixir. He experiences the pain and joy of being a human being, and understands the responsibilities and obligations of being a human being. He gains love with Xiaolongnu. Finally, Zhu Bajie defeats the cat demon and saves the innocent people in Chunshui Town.