上(🈯)海苏(🍅)州河上(shàng ),用摩托车替(tì )人送货的马(🔼)达(🌰)(贾宏(😘)声(shēng ))接(jiē )下送(sòng )接纯真少(🎺)女牡丹(dān )(周迅)的(🌰)活(🍖),两人(rén )相处(🥩)时,牡丹(dān )(📿)爱上马达,但就在她决定(dìng )把终身托付给(🔸)对方时,马达财迷心(👁)窍联合(hé )黑道朋友绑架(jià )了她,令牡(mǔ )丹心(xīn )灰意冷跳(✖)进苏州河里。临(🥀)跳前(qián ),牡(mǔ )丹丢(🔊)下会变(biàn )成美人鱼(yú )再寻(🥁)马达的(de )(🚨)话。