Zhou Yancheng, an auto mechanic, loses his marriage when his unfaithful wife, Xu Manlin, is lured away by wealthy businessman Lu Chenghui. His ex-wife humiliates him during their divorce, and even his daughter abandons him. At his lowest point, he meets the fiery Jiang Xiaoman. Using his technical expertise, he exposes Lu Chenghui's insurance fraud and becomes an overnight sensation, then starts his own business, Night Wanderer, with her encouragement. Lu repeatedly sabotages him by seizing his storefront, reporting his business to get it shut down, and hiring people to frame him, but Zhou overcomes every obstacle, and his daughter eventually comes back to him. After Lu goes bankrupt, he kidnaps Jiang Xiaoman, but Zhou and his motorcade team up to rescue her. Lu and Xu are ultimately sentenced to prison. Zhou proposes to Jiang Xiaoman, and three joyous events follow: his business opens, she becomes pregnant, and his grandmother awakens from her coma. From an ordinary mechanic to the founder of a successful brand, Zhou completes his remarkable comeback.