在这部两厢情愿爱情片中,职业杀手张伟伦（任达华）来港进行任务，过程中被对方发觉，唯有藏身一乡村内，张租住在思想保守的女教师李带好（郑裕玲）家中，李误会张是个舞男。遂向好友林嘉嘉（梁韵蕊）学习防狼术以保贞节之身，而张为掩饰身份，将计就计，期间与李发生了不少冲突和笑话。 另一方面，组织派新进杀手ALEX（黄子扬）来港了解张未能如期完成任务原因。ALEX早有杀张之心，取代他的地位。张终能完成任务，决定退隐江湖，留在乡村过一些平静安逸的生活，李以为之自己感化了张令他改过自新，十分高兴，与他感情日增。 ALEX偶然发现了张藏身之处，找着张要与他作一生死决。李此时才知道张真正身份，二人在生死患难中力抗ALEX……
A killer fails to assassinate his target and attempts to escape from pursuing bodyguards. With the help of a woman he runs into in the hotel, he is able to escape detection by pretending to be a gigolo. Later, he becomes a tenant in her house. Still believing him to be a gigolo, she dislikes him at first. However, they eventually fall in love and he reveals his true past to her. He gives up his life as a killer, but must face one final confrontation from a rival assassin out for revenge.
DO姐和华哥也挺衬的。
