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.
武泽竹夫（阿部宽 饰），绰号“老武”，人过中年的他是一个有着丰富经验的职业欺诈师，他与貌不惊人并且反应迟钝的入川铁巳“老铁”（村上昭二 饰）不打不相识，将后者引入行与自己结为搭档，穿行于都市的各个角落，银行、赛马场、当铺随处可见他们行骗的身影。拥有不堪回首过去的二人相互扶持，在底层过着不咸不淡的生活。某天，这对搭档与姐妹花河合八寻（石原里美 饰）、河合真寻（能年玲奈 饰）以及男孩石屋贯太郎（小柳友 饰）的人生发生交集。五个人生处于最底层的人，组成了一个略显别扭的临时家庭，他们朝着人生的转折点携手前进…… 本片根据2011年直木赏得主道尾秀介的同名原著改编。
