A French police inspector with the help of Tazzi, a woman involved in a prostitution ring, track down the man who murdered Tazzi's sister.

A group of friends is shaken when the girl falls in love. But the three boys will do anything to stop the romance.

Marie is nineteen and bored in her little suburban life with no future. In a café, she meets the charismatic and beautiful Gerard. Blinded by adoration, Mary decides to leave her parents and her clerk job to live with the man she considers as the love of her life. But Gerard is a pimp, who soon forces her into prostitution. From within homes to out on the streets, the young woman gradually discovers a world of decay and violence.