讲述大城市小人物艰难生活的故事，父亲的葬礼刚刚结束，兄弟俩就此分开生活了。有一天，一个叫做马林的歌手出现了，说是哥哥的弟弟。马林在拍摄纪录片的时候遇到了一个女子，女子还主动提议可以拍摄她的性生活。为了支付拍摄费用，兄弟二人开始想办法，在东京这座大城市中苦中作乐，谋求生存。在白石和弥的镜头中，东京是一个失乐园，多少年轻人都在这里寻找梦想，多少人也在这其中沉沦和迷失。

Mikio and his older brother Saneo, who is mentally handicapped, live together and have just buried their father. One day, Mikio hires a hooker named Marin for his brother. Marin is an underground singer who goes by the name Fala. A video producer who is filming Fala's documentary finds out about her double life, and proposes to film her and Saneo's sex life. Dreaming about leaving Tokyo with Saneo with a huge sum of money from the film, Mikio and Marin agree to the offer.