Inside the train during the morning rush. Also on board are Genta, an old man whose hobby is molestation, his partner Tatsuo, and Ken, a thug who lures women into extorting money in exchange for molestation. Today's prey for Genta and Tatsuo is Kumi, a high school girl, and Yuka, who looks like an office lady. However, the true identities of these two women are...
Soko, a photographer who has made a name for herself taking shocking erotic art, becomes involved with an exhibitionist couple who get off on staging public molestation.
The story of two men, one middle aged one mid twenties, who make friends and exchange cigarettes and stories of their sex lives, unaware they have unwittingly exchanged partners. The story, told in flashbacks, as the two men travel through the night on a motorcycle, is loaded with highly charged eroticism. Sex and violence are juxtaposed against the drabness of the men's everyday lives, effectively blurring the line between what is real and what is fantasy. Founded on the well-known myth of furtive sexual gropers on the rush-hour Tokyo commuter trains, Tandem is a low-key masterpiece of Japanese Pink Cinema.
Rie, who moved to Tokyo from a rural mining town and is penniless after being cheated by her boyfriend, enters the world of underground wrestling by chance. This is a ridiculous ensemble drama inspired by Shinji Somai's "Luminous Woman" and incorporating the setting of "Tomorrow's Joe" (Ashita no Joe). Starring Aya Mizutorigawa, an idol of the pink film industry at the time.
Kimiko, who came from the countryside, gets a job at a travel agency, but the manager she is introduced to is Yu, who was the person who molested her on the train. Feeling somewhat responsible, Yu teaches her the job and also gently guides her to become a more urban woman. Kimiko begins to have feelings for him, but is shocked to find out that Yu secretly loves Eri, the secretary to a client's president. Then, due to a certain incident, Kimiko ends up going to a hotel with that client's president, Chikamatsu...
A member of the Self-Defense Forces escapes with a microfilm containing important military secrets of Japan and the United States. In order to protect the microfilm from his pursuers, he pretends to molest a girl on a crowded train and hides it in the private parts of a high school girl. A battle for the missing microfilm unfolds among the Metropolitan Police Department, the Public Security Bureau, a delinquent high school girl, and even spies from the Eastern Bloc and the Soviet Union, but what will become of the high school girl who has become a party to the matter?