『小蘭(lan)去掉所有(you)服(fu)裝』介(jie)紹(shao):黑社會老大文哥(高(gao)雄 飾(shi)(shi))被人(ren)(ren)追殺,其弟(di)阿(a)(a)(a)(a)(a)(a)南(任達華(hua) 飾(shi)(shi))安排(pai)五個人(ren)(ren)來(lai)做其兄的(de)保鏢,并(bing)命令他們(men)查(cha)出暗殺文哥的(de)幕后人(ren)(ren)物(wu)。這五人(ren)(ren)分別是(shi)(shi)阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui)(黃秋生 飾(shi)(shi))、阿(a)(a)(a)(a)(a)(a)來(lai)(吳鎮宇 飾(shi)(shi))、阿(a)(a)(a)(a)(a)(a)Mike(張耀(yao)揚 飾(shi)(shi))、阿(a)(a)(a)(a)(a)(a)信(呂頌(song)賢(xian) 飾(shi)(shi))和阿(a)(a)(a)(a)(a)(a)肥(林雪 飾(shi)(shi))。阿(a)(a)(a)(a)(a)(a)來(lai)和阿(a)(a)(a)(a)(a)(a)信是(shi)(shi)知名的(de)高(gao)手,阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui)、阿(a)(a)(a)(a)(a)(a)Mike、阿(a)(a)(a)(a)(a)(a)肥則(ze)是(shi)(shi)金盆洗手的(de)昔日英雄:阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui)是(shi)(shi)文哥以前(qian)的(de)手下(xia),阿(a)(a)(a)(a)(a)(a)Mike是(shi)(shi)神槍手,阿(a)(a)(a)(a)(a)(a)肥是(shi)(shi)槍械專(zhuan)家。五人(ren)(ren)同心協力,將殺手擒獲,并(bing)查(cha)清了幕后主(zhu)使人(ren)(ren)。五個不認識的(de)江(jiang)湖人(ren)(ren)成為肝膽(dan)相照(zhao)的(de)好友(you),這時,阿(a)(a)(a)(a)(a)(a)南告訴阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui),阿(a)(a)(a)(a)(a)(a)信與文哥之妻通(tong)奸,要(yao)求阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui)去殺死阿(a)(a)(a)(a)(a)(a)信,阿(a)(a)(a)(a)(a)(a)來(lai)堅決(jue)不允許這么做。阿(a)(a)(a)(a)(a)(a)Mike和阿(a)(a)(a)(a)(a)(a)肥又分別支持阿(a)(a)(a)(a)(a)(a)來(lai)和阿(a)(a)(a)(a)(a)(a)鬼(gui)(gui),最后他們(men)約定在(zai)一家小餐廳解(jie)決(jue)這個問題,互相對準的(de)槍口(kou)真(zhen)是(shi)(shi)一觸(chu)即發……