Bruce Lee has just died, but the BSI is swinging into action to salvage the situation. Aided by the brilliant Professor Lucas, cells from the martial arts master's body are removed and grown into three adult Bruce Lee clones. After undergoing training to bring their skills up to the level of their 'father', the three are sent out to battle crime, with one sent to take on a gold smuggler, and the other two teaming up to shut down an evil mad scientist.

全球功夫電影的絕對唯一神李小龙死后在地狱创办“精武门”，与独臂刀王为友，收“大力水手”为徒，迷倒以杨贵妃、艾曼妞为首的中外美女，打败滋事者007邦德、荒野大镖客、盲侠座头市，大战阎王、钟馗、木乃伊、吸血鬼、僵尸……最后重返人间！