In New York City, detective Luigi Mackeroni investigates a string of mysterious penile mutilations at the Hotel Quickie. After Mackeroni attempts to have a tryst with a gigolo he meets in the lobby, a carniverous condom bites off his right testicle and flees, which sets the detective off on a quest to stop the predatory prophylactic once and for all.

Seitz has been abusing his underage daughter for years and is the father of her first child. He is a brutal perpetrator of violence and has several relevant criminal records. When Tanja confides in her new boyfriend, he persuades her to go to the police. Seitz is sentenced and threatens to beat Tanja to death while still in court. Tanja and her boyfriend have long been married and have children of their own when, after seven years, fate catches up with them again: they are terrified of Seitz, who is soon released from prison and threatens revenge. Tanja and her family turn to the authorities in vain. They can only intervene if there is a concrete threat. But then it will be too late, Tanja fears. Too late for her children and herself. Together, the family gets a rifle...