文秀（李嘉欣）对杀手生涯渐产生厌倦，遂向组织提出请辞，希望能独个儿回到大澳渔村过其隐居生活。不久，她便接下组织委派的最后任务，满心欢喜地投向男友怀抱之时，对方竟向她开枪。原来，此乃组织的布局安排，以确保机密不泄。最后，秀在歇斯底里下杀了男友，负伤逃回大澳。逃亡途中，茶室年青老板杜维根（马景涛）与伙记初三救回她垂死的生命，并在两人悉心照料下，秀很快复原，继而投入乡村生活，令她再次接触到人生美好一面。与此同时，根向秀表示爱意，秀感动之余正感犹豫不决之际，杀手突然出现，秀无奈只…

Shau has started hating the life as a killer. She requests retiring from the organisation. However, in return, the organisation assigned her boyfriend to kill her. Shau killed him out of self defense. During the confrontation, she is also injured but can escape. Tea house owner To saved her from death. Shau recovers and starts enjoying the village life. However, the killers suddenly appear and a bloody confrontation begins.