1992年，炒股热悄悄在上海兴起。许多老百姓厌倦了平凡无味的生活，开始纷纷投入这个让人疯狂失常的怪圈中。 　　香港男人阿伦（刘青云 饰）热衷赚钱，因此忽略了女友安娜的感受。随着时间的推移，两人的关系逐渐出现裂痕。安娜不辞而别来到上海，阿伦于是追来这里。失望的阿伦在上海小青年三宝的介绍下，权且借炒股打发时间，也因此结识了公交车售票员阿莉（潘虹 饰）。阿莉和丈夫、女儿住在底层的弄堂里，邻里间吵架拌嘴不断，生活条件迟迟得不到改善。凭借阿伦的指点，阿莉终于尝到日进斗金的快感，她的生活逐渐改善，周围人也对她尊敬有加，只是在这一过程中她渐渐成为股票和金钱的奴隶，沉湎其中，无法自拔……

Pan Hung is Lily, a humble bus conductor hired by Hong Kong commodities trader Sean Lau to be his connection to the Shanghai stock market. Lily finds the job surprisingly easy, and the duo begins to make big money. But at what price? With wealth and prosperity a driving daily goal for Lily, will her own family come to bear the cost? Director Lee Lok See uses his Shanghai focus to great effect, finding many avenues and opportunities for his satirical observations and cultural clashes. With capitalism and communism going head on in the rapidly growing city of Shanghai, which value system will ultimately live in each person's heart?