『《同居》蔣婉聞燼蘇(su)瑪麗小(xiao)說』介紹:臺灣黑(hei)幫老(lao)大(da)龍(long)(long)(long)(long)日夫(fu)遇襲(xi),幸得智勇(yong)雙全(quan)的(de)(de)義子(zi)(zi)龍(long)(long)(long)(long)一(yi)(鄧光(guang)榮)舍命(ming)相救才保一(yi)命(ming),事后(hou),龍(long)(long)(long)(long)一(yi)被(bei)他推選為(wei)繼承人,招來(lai)其親生兒子(zi)(zi)龍(long)(long)(long)(long)二(er)(er)(er)(任達華)和龍(long)(long)(long)(long)三的(de)(de)不(bu)滿,后(hou)者更設法要(yao)置龍(long)(long)(long)(long)一(yi)于(yu)死地,令龍(long)(long)(long)(long)日夫(fu)忍痛命(ming)令龍(long)(long)(long)(long)二(er)(er)(er)將他干掉(diao),不(bu)想龍(long)(long)(long)(long)二(er)(er)(er)掉(diao)頭將龍(long)(long)(long)(long)日夫(fu)和他一(yi)起(qi)送上(shang)黃泉。緊接(jie),龍(long)(long)(long)(long)二(er)(er)(er)命(ming)其心腹小(xiao)林(lin)(黎明(ming))追殺龍(long)(long)(long)(long)一(yi)。 小(xiao)林(lin)雖忠(zhong)于(yu)龍(long)(long)(long)(long)二(er)(er)(er),卻(que)也傾慕龍(long)(long)(long)(long)一(yi),忠(zhong)義兩難的(de)(de)擇(ze)決(jue)過(guo)后(hou),他違命(ming)放了受(shou)傷的(de)(de)龍(long)(long)(long)(long)一(yi)及其妻子(zi)(zi)雪兒,令他們逃到香港,過(guo)起(qi)隱姓埋(mai)名的(de)(de)日子(zi)(zi)。龍(long)(long)(long)(long)一(yi)于(yu)無意間結識酒吧老(lao)板程(cheng)麗及其弟(di)大(da)飛(fei)(劉德華),大(da)飛(fei)雖是(shi)混混,卻(que)極有正(zheng)義感(gan),兩人因(yin)某件事結下生死情誼。后(hou)來(lai)大(da)飛(fei)與頭醉(zui)雞發生沖突,發誓不(bu)再涉足江湖的(de)(de)龍(long)(long)(long)(long)一(yi)為(wei)朋友再次出山,不(bu)想醉(zui)頭雞正(zheng)是(shi)龍(long)(long)(long)(long)二(er)(er)(er)所派。