Li Gousheng, a professional mechanic at an auto repair shop, has no money, power, or background. He works diligently and is devoted to his girlfriend. However, his girlfriend has become a mistress of the auto repair shop owner, causing Li Gousheng to lose both his job and his girlfriend. During his time of poverty and wandering, he saved the daughter of the Luo family, Luo Mei, and traveled to a parallel world without a wrench. He showed off his skills and found himself in a dilemma between the love between the young lady of the Luo family and the beautiful beggar
