月黑风高的夜晚，戚志广（张国荣饰）独自行驶在路上，电台里播放着鬼故事，这时车子突然驶离轨道，戚停下车检查，等他再次上车后蓦地发现后座竟多了个清纯的白衣女子（钟楚红饰）！ 　　下车后，白衣女子突然主动向惊魂未定的戚志广献上热吻，待戚带其去舞厅后伊人却随即失去了踪影。经此一见，戚像失了魂般心中全是佳人的影子，并在第二天回到旧地寻找。不料找到的却是一座坟冢。 　　尽管朋友们都说戚是大白天撞鬼，戚还是对白衣女子念念不忘，他在街上苦候数日，终于发现了她的踪影，而此时她的身份是亿万富翁曹三（黄锦荣饰）的情人？戚决定不论人鬼，都要对女郎展开不舍不弃的追求……...

Leslie Cheung picks up a girl while driving his car in a remote location and offers her a ride back home. The girl introduces herself as 'Cecilia' who is played by Cherie Chung. Leslie Cheung's character can't forget her and visits her again at her apartment only to find out that it's empty and the old lady who lives there says no one has lived there in a while. His friends say that he gave ghost a ride, but shortly after he sees Cecilia walking in the city. He tries to catch up to her but fails. He eventually tracks her down but finds out that she's a girlfriend of a gangster Sam Tsao. Story starts out as a mystery and intrigue and ends as a bittersweet romance with plenty of action and good plot. ...