In order to avoid being forced to marry, police officer Tang Jinhua agrees to a private marriage with the mysterious Xu Jiayun. The two live together and get along well, and gradually develop feelings for each other through boxing sparring and daily interactions. While performing an undercover mission, she accidentally uncovered Xu Jiayun's hidden identity as a criminal police officer, and suffered revenge from a criminal organization. The two work hand in hand to fight the danger, tear up the agreement and pursue their true love, and both their career and love are fulfilled.
