年(nián )轻军官(🌠)许文强(张国荣)(📼)逃往(🏽)路上被日本特务伏击(jī )堕海(hǎi ),漂浮到外滩岸(🎗)上时(shí )(🆖)身(shēn )体不(bú )支晕倒(dǎo ),丁力(刘(liú )(💤)德华)路过欲将(🎲)其救却遭其下意(yì )识的武(wǔ )(⚫)力,两人一(🎩)番打斗后结为(🕯)好友。丁力偶(🥄)然救(jiù )下上海大亨冯敬尧(吴兴国(guó ))(✖)的(🙁)千(qiān )金(🚸)冯程程(宁(níng )静)后,许下心愿要娶其为(🚣)妻,但襄(xiāng )王(🚨)有梦神女却(què )心另有(🦗)所属(🎛),冯程(🥎)程只把他当(📙)好(hǎo )(🔝)朋友(yǒu ),爱(ài )的恰是某(mǒu )次旅途(🙀)中(zhōng )(🙉)在火车上(shàng )结识(shí )的他的好兄(xiōng )弟许文强,而许文强也(🏯)因她的(de )勇(yǒng )敢(🐀)善良机智对(duì )(⚾)她产(chǎn )(🌮)生了好感。