Directed by the film, the barber (Jacky Cheung), fashion designer Ji (Mo Shaocong) and Feng Shui master Lai Buding (Stephen Chow) jointly set up a trendy hair salon. On the opening day, Lai Buding (ornaments) and Ji (ornaments) came to have their hair cut, but they had an argument with Zhu (), the owner of the barber shop next door. Fortunately, the host's daughter, Yaying (Sharla Cheung), was attracted by Yaying's charm. In order to win Yaying's love, they began to pay attention to each other frequently. At a dinner party, three people got drunk and slept with Yaying by mistake, which led to Yaying's pregnancy. In order to live with Yaying, the three men rushed to admit that they had done it. Because the three people have the same blood type, the hospital can't find out who did it. Yaying's parents decided to examine the performance of the three before making a decision. In order to be the best son-in-law, the three men had a fierce competition. ...