Henning, a small-town exhibitionist, is climbing the social ladder, After years in highway service areas, he's finally made it to the big time, the ladies' room of the hip cafe Polygamous populated by a chance crowd of people: Lena, a student of Egyptology, her family, a young couple with a strangely silent baby, Silke and Werner, and their friend Johann, whose girlfriend has just left him. When Lena flees from her family to the bathroom she becomes the chance victim of Henning's attempt at flashing, allowing Johann to rise to the occasion and save her life. Henning accidentally becomes a matchmaker, winning the affection of Lena's little sister, Tine. The four libertine couples meet again for Johann and Lena's wedding, a celebration of perverse passions, and again at Daddy's funeral, where they all prepare for a final malicious fight.