Zhang Fan, a down-and-out genius who was forced to become the son-in-law of a wealthy family, accepted a transaction-like marriage in order to pay for his mother's medical expenses. For three years, he endured the humiliation, being regarded as a fool and ridiculed. However, as the restriction expired, Zhang Fan began to show his true strength. Not only is he proficient in medical skills, but he also has unknown trump cards. At a class reunion, Zhang Fan cleverly fought back, shocking those who had laughed at him. At the same time, his relationship with his wife Wang Xue also quietly changed. What kind of secret does Zhang Fan hide? Can he successfully counterattack and reshape his life?
