Retired Sanda champion Xu Wei is in heavily debts. In the process of serving as bodyguard for the Hao Yougan brothers, Xu Wei gradually walked into the children's world, learned about their true thoughts and dreams, reflected on the wrong education methods in the past, and changed their concepts and attitudes, and the family conflicts were alleviated. However, Gao Min realized that his son's life was threatened because of the conflict of commercial interests, and he realized that he was single-minded in his career in the past, neglecting the emotional care for his two sons A heavily indebted wrestling champion, Xu Wei, who looks just like the killer Dongfang Mu, becomes the bodyguard of the chairman of the group, Gao Min's family, and accidentally gets involved in a kidnapping plot.