『特殊服務3』介紹:美國的“殺手(shou)壕(hao)”格斗比(bi)(bi)賽即將拉開帷幕,兩支芝加(jia)哥地區的黑(hei)幫都意欲在(zai)(zai)比(bi)(bi)賽中(zhong)勝出,而(er)其(qi)中(zhong)一(yi)方的王牌選(xuan)手(shou)——殺人王李(li)呼聲頗(po)高(gao)。青年阿(a)(a)(a)龍(long)(long)(long)(成龍(long)(long)(long) 飾(shi))一(yi)家在(zai)(zai)芝加(jia)哥經營飯店,龍(long)(long)(long)父遭黑(hei)幫勒索,阿(a)(a)(a)龍(long)(long)(long)出手(shou)趕跑惡人反被父親抱怨,原(yuan)來(lai)龍(long)(long)(long)父一(yi)直不(bu)滿阿(a)(a)(a)龍(long)(long)(long)跟(gen)自(zi)己弟(di)弟(di)學習武術,斥(chi)之不(bu)務正業,要求他(ta)向(xiang)做了醫生的長(chang)子學習。阿(a)(a)(a)龍(long)(long)(long)教(jiao)訓惡徒的經過(guo)被黑(hei)幫二代當家彭看見,彭有意令阿(a)(a)(a)龍(long)(long)(long)為他(ta)們(men)出戰殺手(shou)壕(hao)比(bi)(bi)賽,彭所在(zai)(zai)黑(hei)幫隨即毆打阿(a)(a)(a)龍(long)(long)(long)好友,并綁架了阿(a)(a)(a)龍(long)(long)(long)沒過(guo)門的嫂子要挾他(ta)與殺人王戰斗。阿(a)(a)(a)龍(long)(long)(long)和叔叔救(jiu)人失敗,無奈只(zhi)得刻苦(ku)訓練,代表彭一(yi)伙參加(jia)比(bi)(bi)賽。阿(a)(a)(a)龍(long)(long)(long)在(zai)(zai)比(bi)(bi)賽中(zhong)