年轻的香港医生姜大聪（林保怡 饰）赴苏格兰公干期间，和当地美女爱丽丝（陈雅伦 饰）一夜风流，返港后整个人性情突然大变。女友阿May（陈淑兰 饰）发觉异常，但是一时也无从得知什么原因。原来爱丽丝是当地的吸血鬼！姜大聪被咬后慢慢变成了僵尸。此时，爱丽丝的主人吸血鬼伯爵因不满爱丽丝放走了姜大聪，命令她来港将他带回去。 于是爱丽丝来到了香港，聪明的阿May很快识穿了爱丽丝的身份。她请来了一名法术高强的道长帮助男友解开困境，而爱丽丝亦受到了感化。吸血鬼伯爵知道爱丽丝背叛自己后，也来到了香港准备处死她……
影片是伍迪·艾伦的第50部电影长片，故事以当代巴黎为背景，围绕着两个年轻人之间的浪漫故事展开，他们是老友，步入婚姻殿堂后，却逐渐演变为对婚姻不忠，最终走向犯罪。
Shisu, a reporter, is good at everything, but she is only 155 cm tall, so she is often teased. One day, she happened to meet Fayfa, a tall policeman who she has secretly admired since university days. The two together investigated the case by allowing Shisu to disguise herself as an idol in a club. But will the work lead to her fulfilment of the heart or not?
