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.