杰（周柏豪 饰）是一位技艺精湛的冷血杀手，只要成为了他的目标，那么下场就只有死路一条。杰的脸上长了一个肿瘤，样貌因此格外丑陋，但凡见过他真面目的人无不惊出一身冷汗，只想着逃跑。 等待任务，接受任务，完成任务，杰每天都过着如此的生活，直到某一日，一位名叫婷婷（李悦彤 饰）的援交少女出现在了杰的生命里，婷婷的存在让杰感到内心深处一阵久违的悸动，他甚至为了婷婷放弃了杀手这一职业，和婷婷同进同出，形如父女。婷婷并不惧怕杰的面容，恰恰相反，她的一举一动之中都透露着挑逗之意，这令压抑着内心感情的杰十分痛苦。有一天，婷婷遭到绑架身陷险境，杰震怒了。©豆瓣A hitman Jack is slowly wandering into a red light district. As he walks through the alley, everyone avoid eye contact with him because of his extremely ugly face. Ting Ting is the only prostitute that did not reject him. Jack finds a scar on the stomach of Ting Ting which was wounded by a gunshot. Ting Ting on the other hand stares at the giant lump on Jack's face without showing any sign of fear. The two of them quickly form a bond and Jack could not bear to leave Ting Ting alone. He decides to take Ting Ting out of her miserable life at any cost. From then on, their lives turns out differently.