In order to save his best friend, boxing coach Ringo signed a contract marriage with wealthy young master Li Jingchuan. The two people, who were incompatible with each other at first, faked the show while fighting against foreign enemies, outsmarting each other, and working together to resolve the family crisis. When the secret of the contract was exposed, they chose to be honest with each other, and the lovers finally got married, and finally ushered in a happy ending with both children.
