主修艺术的罗杰可(李国豪 饰),因目睹画廊老板被芝加哥黑道份子索拉诺枪杀,而被列为追杀对象;没想到这位外表温文儒雅,却有一身了不起功夫的目击证人,竟是索拉诺的致命剋星!When student Jake Lo witnesses a killing, he finds himself caught between two feuding drug lords. Betrayed and set up by the federal agents protecting him, the only one he can trust is Ryan...