Heung Hoi is fond of making artistic works. Kam On does not appreciate on his work and intends to throw it away. However, a lady passes by and regard the artwork very good. She asks Kam On to make a bigger one to her and she is willing to pay $20,000. Kam on goes back home and requests Heung Hoi to make another one. Heung Hoi refuees and says the artistic work cannot be re-do again. In order to make Heung Hoi re-do another, Kam On plays trick and gambles mar joh with Heung Hoi. Heung Hoi loses and has to re-make the artistic work for paying debt. As Heung Hoi knows Kam On play trick on him, he decides not to create the artwork. By the time the lady comes with her friend and knows that Kam On does not keep his promise, her friend beat him up. Kam on gets a lesson from Heung Hoi.