Nan-ja waves around a shaving knife in a blonde wig, black stockings and miniskirt when the sun goes down. Her aim is to slit the throats of men who have betrayed their women and made them cry. However, her true goal is to take revenge on Gil-soo, Jae-goo and Man-sik who made her mother bite down on bread while they raped her to death. Then one day, Nan-ja finds one of the men she's looking for through a heartbroken woman who was going to kill herself. Nan-ja kidnaps him and drags him to the basement of her hideout where she makes him play the trumpet. Nan-ja dances to the sound of the trumpet until she slits his throat and watch the blood spurt out from the trumpet. Her revenge has begun.
某纺织厂的音乐部教师东植对锦川发生的一起杀人事件表示出极大的兴趣。rn某天,东植从女工郭善英处收到一封情书,并向舍监告发,善英被工厂开除。曾鼓励善英写信的朋友赵庆熙借着钢琴辅导的契机开始出入东植家。为了贴补家计,东植妻子做了很多裁缝活儿,身体越来越虚弱。东植委托庆熙寻找到一名合适的下女,帮助持家。妻子怀孕回娘家的当下,庆熙借机向东植表达了爱意,却受到辱蔑被撵了出去。这一切都被窗外的下女看到眼里。下女借机诱惑东植,并与之发生了肉体关系。三个月后,下女怀孕。东植的妻子知道真相后,将下女推下楼梯,导致流产。失去孩子的下女怒火中烧,性情开始变得暴烈。结果,下女将东植夫妇俩的孩子也推下楼梯,藏了起来。下女以向工厂曝光所有事实相要挟。为了保住整个家庭,东植将二层的房间让给下女。最后,准备和下女一起吃耗子药自杀的东植看到死在台阶上的下女,毅然抛弃了她,重新回到了妻子...