刘健一（金城武饰）是新宿歌舞伎町的混混，日本身为台湾与日本人的残留孤儿，日本混血的他被叫作半唐番，不为社会所容纳。歌舞伎町有着上海帮、福建帮、北京帮、台湾帮等，各方力量形成复杂的角力形势。年关将至，似乎是因为健一的前度拍档吴富春（椎名桔平饰）返回歌舞伎町，他因杀死元成贵（曾志伟饰）的手下而逃亡，元成贵遂限令健一在三日内交出富春，否则二人便只有死路一条。此时左藤夏美（山本未来饰）出现，她称与有过节，为了活命甘愿出卖一切，健一被她吸引。富春终于现身，偷袭元成贵的情妇黄秀红的夜总会“上海滩”，令健一陷入绝境。所有人都劝他离开歌舞伎町，但真相并不是那么简单，命运并没有眷顾二人……
小类与乐队
回复 :琪琪（周秀娜 饰）在一个礼拜后就要与恋爱七年的警员男友阿泽（罗仲谦 饰）结婚，在几个好友的聚会上，琪琪偶遇摄影师JACK（沈志明 饰），并在酒后与其发生了一夜情，追悔莫及的琪琪欲迅速终止这段关系，然而第二天二人再次相遇，在好友的怂恿下，琪琪等人与JACK同看演唱会，当夜琪琪意外发现了阿泽偷情的表徵，遂拉上JACK一起捉奸但一无所获，后者在离去时邀请琪琪在结婚前陪自己再度三天；另一边，执行任务的阿泽与街头女孩阿宝（杨梓瑶 饰）调换了手机，从未有过背叛女友念头的阿泽自此落入了一段短暂又不可思议的关系。马上就要结婚的二人，走上了各自的爱情岔路……
新裤子
回复 :Yui Tsukino (Kimito Ayumi) is a salesperson of the nutritional drink "Riflet", and while working as a so-called refredi who delivers products to homes and workplaces, at night, he attends night college and learns French while saving money for study abroad. Was there. Although Yui had a faint thought at the exit of the branch manager, he learned that the company was in danger of survival due to poor sales, and he struggled with the lone army. However, the companies I visited to expand the sales channels were sexually harassed and could not easily increase sales. Meanwhile, I visited Noriko (Reina Kiyomoto), who was a senior and was married to the president of the business partner, and had a consultation.
刘力扬
回复 :女子大生の夏は修吾という彼氏の存在がありながら、サークル仲間とも肉体関係を持っていた。しかし、そんなある日、夏の友人である乃亜の彼氏が、乃亜の目の前で自殺するという事件が起こり……
