In Rio de Janeiro, the orphan girl Glorinha is raised by his conservative uncle Raul in a rigid discipline. Glorinha has a childhood trauma since her mother Judite committed suicide when she was two years old and her father Gilberto was sent to a mental institution. When her friend Nair, who is a young prostitute, invites Glorinha to work in the brothel of Madame Luba that is specialized in juvenile prostitution, Glorinha has a sex program with her neighbor, the old Congressman Jubileu. Then Nair tells Glorinha that she is pregnant and need to make an abortion. Glorinha goes with Nair to the doctor, but there is an accident and Nair loses lots of blood. Raul is called by the clinic and learns that Glorinha is prostituting herself. He summons the girl and decides to tell the truth about the death of her mother.