Yik Lung is caught by Yan Wai's trap and he is almost killed by the bomb. Fortunately, Lok Tin, at the risk of his own life, rescues him. They go to beat Yan Wai.

In order to revenge on Yan Wai, Lok Tin decides that if a customer buys a bowl of rice, he will send a dish of pork free as bonus. Though such an act means a loss of money, it has dealt a fatal blow to Oi Pei Sai. Yan Wai asks his former girl friend Yim Hung to assist him so that he can deal with Lok Tin.

Yim Hung uses attractive salary to hire the young girls in the town as Miss Di Pei Sai. The business of Oi Pei Sai prospers and Yan Wan makes a show of his success to Lok Tin. Lok Tin is very upset. With the inspiration from Siu Fa, he decides to call the customers back by bigger dishes whereas the price is still the same.

Yan Wai pollutes the river water so that the bean-curd made by Siu Fa is unsuitable for eating. Lok Tin asks uncle Kau to think of some new dishes……