在这部古惑仔激情篇之洪兴大飞哥剧情片中,洪兴大飞（黄秋生 饰）手下没牙佬的女儿阿May和东星大咪的手下皇帝（黎骏 饰）相恋，两个大佬为此坐下谈判。大飞嚣张气焰令皇帝的小弟善仔等人颇为不满，他们次日大闹大飞的桑拿馆，结果反被对方修理一通。某日，大飞看望罹患癌症不久于人世的前女友阿玲，继而得之自己有一个17岁的儿子，而儿子正是善仔。虽然亲子鉴定显示了他们的父子关系，但大飞和善仔均无法接受这个事实。
东星社计划和云南毒贩做毒品生意，皇帝亲自操办此事。他委派善仔等人亲自前行，却暗中吞掉毒品，嫁祸大飞。在兄弟情义和父子亲情面前，善仔面临着充满艰险的抉择……
The Legendary 'Tai Fei' is a 1999 Hong Kong film directed by Kant Leung and starring Anthony Wong. It is a spin-off to the Young and Dangerous film series.
The film centralizes on the storyline after Tai Fei (Anthony Wong) obtains branch leader status after Young and Dangerous 4. Tai Fei discovers he has a son, and soon realizes that he is a triad member involved in the Tung Sing gang which deals in narcotics.
古惑仔系列最烂片。一星大飞哥一星小流氓。
