After Chung Chung, AM Mou and Ah Yung have succeeded in robbing Yan Kit, they are chased after by On Bong and Ting Kwok. The gang flees to Hang Fa Village. At the same time, Williams is holding a fund-raising religious ceremony. Chung Chung accidentally put the purse into the box of proceeds. Thus, she determines to stay in the village to see whether she can get back the purse. At that night, Chung Chung sneaks into the church and she meets Sai Yuk there. They are locked in the store room. Through Chung Chung's behavior, Sai Yuk suspects that Chung Chun is indeed a girl. In the following day, Chung Chung dresses as a boy and attends the lessons. Sai Yuk and his friends try every means to test Chung Chung's identity, Thus, the relationship between them is in between friends and enemies. Williams opens the box of proceeds and discovers the purse. He misjudges that it is the generous donation by Kwan Chiu……