SIU PO is a smart and intelligent guy. He grows up in a floating-brothel. Since he is cute and likable, he wins the favour of those in the floating-brothel especially CHOR CHOR who secretly falls in love with him. Raping cases often happen around the floating-brothel. The women are living in fear. The new officials in town are panic at those cases. Tim is the prodigal son of a very rich family. In order to show off his family wealth, he goes to the floating-brothel to have a banquet with his friends. SIU PO suggests a game for his clients. Those who take part will unlock some boxes with keys provided. Among the boxes, there is a king-box, the one who opens it will be awarded to enjoy a king's life for three days. TIM enters a bid for the king-box with double prices. Accidentally the key disappears without trace.

TIM goes to seek pleasure in the floating-brothel. Since he has not brought enough money, he sends SIU PO to bring him money. Since SIU PO finds TIM an unpleasant guy, he tells TIM's father the whole story. TIM's father is so furious that he hurries to the floating-brothel to teach TIM a lession. TIM is a trouble-maker. He always hangs around and creates disturbances. His father is worried about his uninhibited disposition. In order to cultivate TIM's moral character, his father arranges TIM to marry with CHAN JIAO. TIM neglects the planning of his father and goes to spend his time in the floating brothel with his friends as usual. CHAN JIAO appears suddenly and puts TIM in an awkward situation at which SIU PO looks on coldly with a sarcastic smile.