Knife, not knowing who the unnamed stranger is, takes him in and names him 'Chocolate' due to the man's seemingly obsessive love for the candy.

Ko falls down a hill, hitting his head, and subsequently suffers from amnesia and regresses to a childlike state. After a fight on a train between Ko Chun, Dragon, and henchmen sent by one of Ko Chun's rivals, Ko happens to accidentally stumble into Knife's trap. Meanwhile, Little Knife, an avid but mediocre gambler who idolises the God of Gamblers, sets a trap for an Indian neighbour as a practical joke. Chun wins the game, but Chan sends a duo of thugs in retribution. In gratitude, Tanaka sends his bodyguard, former Army of the Republic of Vietnam Special Forces Operative, Dragon, to accompany Ko Chun for protection. Ko Chun agrees, merely asking for a box of chocolate as payment. Tanaka asks Chun to help him take revenge on Chan Kam-sing aka the 'Demon of Gamblers', a famous Singaporean gambler who cheated Tanaka's father before driving him to suicide, by besting Chan in a high-stakes poker match.

After convincingly defeating Tanaka in games of Mahjong and dice, Tanaka concedes defeat and asserts that Ko Chun 'really God'. Ko Chun arrives in Tokyo, accompanied by his girlfriend Janet and his assistant and cousin Ko Yee, for a match with Tanaka, the country's top ranked gambler. He keeps his identity secret from the public (and avoids photographs so his face is not recognised), but is known for three characteristics: his slicked-back hairstyle, his love of Feodora brand chocolate, and his jade pinky ring. Ko Chun is a world-famous gambler, so renowned and talented at winning various games of chance that he is referred to as the 'God of Gamblers'. God of Gambling) is a 1989 Hong Kong action comedy film written and directed by Wong Jing featuring an all-star cast led by Chow Yun-fat, Andy Lau, Joey Wong and Sharla Cheung.

Casino tycoon cast