The story 'Summer of Fire' is about two brothers, Summer and Karl, who were abandoned children in Mainland China that are not related by blood. They depended on each other regardless. They were both adopted by the Hong Kong Triad society 'Kwong-Shing Tong(KST)' during their youth, which bring them to Hong Kong on the condition that they work for the KST's boss, 'John'. During their 15 years stay in Hong Kong, Summer and Karl made a name for themselves, no one in the gang world doesn't know their names. In 1996, Summer found a chance to escape from the Triad society and his boss John, but this situation has put Summer turned against his brother Karl.