The Circle(1970)

Original title: O Cerco

A look at the urban society of the seventies. The story of Marta a young and pretty girl, who leaves her husband to search for her true identity. She doesn't quite know what she wants, but at least she knows what she's escaping from. Soon she encounters financial difficulties and finds herself involved with shady characters, a situation that leads to a mysterious murder. The net closes around her.