Her name is Mina, but she is called Bambola (doll). Upon the death of her mother, she and her homosexual brother, Flavio, open a pizzeria. A man named Ugo loans Bambola the money, but is then killed in a fight with another one of her boyfriends, Settimio. While visiting Settimio in jail, she meets a sadistic man named Furio, and they begin a relationship.
During a marriage crisis, unhappy Leo has to go to another town for work. There he meets his long-lost cousin Giulio, who has become... Giulia, a very charming girl.
A homicidal maniac known as the 'tail', dressed in a clown mask, raping and killing a number of girls who work in erotic phone lines. The case has been assigned two policewomen, Lorraine and Consuelo, who begins to investigate, by phone sex, where they are to interview the victim's friends. After the second telecommunications operator, is murdered, his mind and Consuelo & Lorraine to take a job at the hot line.
