Women in Cages (1971) on Netflix

Plot summary

Rudy runs prostitution, gambling and drugs from a ship, and he keeps his business hidden from his girlfriend, Carol Jeffries, an American known as Jeff. With the authorities closing in, Rudy hides his illegal goods in her purse, and Jeff is sentenced to ten years in a Philippine prison. The inmates there go barefoot and are put to hard labor and sadistic punishment. Attempts are made on her life. Her cellmates are Stokes, a heroin addict, Sandy, and Theresa, who has privileges as the girlfriend of Alabama, the guard who is fond of torture. Beyond the prison walls lie jungle wilds.