King of Gambles Ko Chun (Chow Yun-fat) has been asked by Shangshan of Japan to play a decisive gamble with Devil of Gambles (Bao Hanlin), the assassin of his father. Chun finds out that Brother Nan in charge of the gamble is playing tricks. He plays other tricks and wins back an enormous amount of money. Brother Nan then asks some Vietnamese assassins to kill Chun. In the fight, Chun is heavily wounded and losses all his memories. Knife (Andy Lau) and his girl friend (Joey Wong) have to take care of him. Brother Nan learns where Chun is hiding and sends a few assassins to kill him. During the period, Chun's memories gradually come back. Chun and Devil of Gambles have a final battle on the gamble table.