李小龍死後不久、英國政府的祕密情報機構『SBI』找來了一個瘋狂科學家——盧卡斯博士、並且拜託這位博士製造3個『李小龍的複製人』給SBI,然後SBI再訓練這3個『複製人李小龍』去除掉世界各地的惡黨歹徒……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.