『聚會目的3在(zai)線播(bo)放』介紹:私家偵探孟(meng)(meng)波(bo)(成(cheng)龍(long))與(yu)死去搭檔的妹(mei)妹(mei)惠香(xiang)(xiang)(王祖賢)剛同報業大(da)王今村(cun)商討完尋找(zhao)其(qi)失蹤女(nv)(nv)(nv)兒清(qing)(qing)子(zi)(zi)(zi)(zi)(后(hou)藤久美子(zi)(zi)(zi)(zi))下落的辦法,就見(jian)清(qing)(qing)子(zi)(zi)(zi)(zi)與(yu)若干滑板少年在(zai)街道上(shang)左穿右插(cha),一番窮追后(hou),清(qing)(qing)子(zi)(zi)(zi)(zi)消(xiao)失。惠香(xiang)(xiang)本想(xiang)到孟(meng)(meng)波(bo)家后(hou)為孟(meng)(meng)波(bo)舉辦生(sheng)日(ri)舞會,不想(xiang)推門發(fa)現早已有(you)七個(ge)美女(nv)(nv)(nv)正望穿秋水,一怒之下,惠香(xiang)(xiang)揚言會與(yu)表哥大(da)腳板(單立文)在(zai)賭船“富貴號(hao)”上(shang)預(yu)支蜜月。 孟(meng)(meng)波(bo)趕到碼頭欲向惠香(xiang)(xiang)解釋,不想(xiang)左找(zhao)右找(zhao)不見(jian)其(qi)蹤影,此時“富貴號(hao)”啟航在(zai)即,孟(meng)(meng)波(bo)混在(zai)魚(yu)貫涌至的游客中上(shang)了船,清(qing)(qing)子(zi)(zi)(zi)(zi)以及(ji)裝(zhuang)扮成(cheng)性感女(nv)(nv)(nv)郎的香(xiang)(xiang)港警察芽子(zi)(zi)(zi)(zi)(邱淑貞)也在(zai)這條(tiao)船上(shang)。三(san)個(ge)女(nv)(nv)(nv)人一臺戲,何況又加一個(ge)好(hao)(hao)斗、好(hao)(hao)色(se)的孟(meng)(meng)波(bo)。