Cadena Perpetua (Life Sentence - In For Life) (1979)

Alfaro Javier Lira, aka "Tarzan", rules over the prostitutes of Mexico City. His quiet life is disturbed by the death of a prostitute and he is sent to jail on the Marias Islands. He injures a warden, Pantoza, during a drinking session. Later, when Tarzan goes back to the city, he gets married and starts working in an insurance company. But one day, he is recognised by a policeman who knows all about his past and starts blackmailing him... "With Cadena Perpetua, Arturo Ripstein asserts his reputation as one of the rare Mexican film-makers who gave cinema the best of his art.