¿Qué hace una chica como tú en un sitio como éste? (1978)

Rosa, separated and with two children, has to endure the jealousy of her ex-husband, and lives anguished because he continues trying to control her life. Through a friend she knows the world at night and in this environment she meets a young boy with whom she maintains an affair, but the persecution of her ex-husband makes her life impossible. One day she decides that this situation has to change, so she creates a very smart plan.