Fang Lijuan (Miriam Yeung) lives a life of flirting with Qu Haiwen (Wu Yanzu) every day. When Lijuan works hard to train herself to become a good daughter-in-law and please her future father-in-law, she accepts another new task-to protect the princess of a certain country who is about to arrive in Hong Kong. However, when she encounters financial problems, Lijuan asks for Haiwen's help, which arouses Haiwen's dissatisfaction, and the two have a cold war. Lijuan even thought that the princess seduced Haiwen and fought with the princess, so she was ordered to suspend her duties. It turns out that the police wanted Lijuan to accept another undercover mission and go to China to accept it as a celebrity...