The film begins when a stranger arrives in town. He takes quickly to his former mistress, Denise, who is happily married to John, and has an affair with his identiske twin brother Peter. They plan together to drive John crazy. … Larry Ward, Teresa Gimpera, Giacomo Rossi Stuart, Silvana Venturelli, Fernando Sánchez Polack, Eugenio Navarro, Javier de Rivera Added on Amazon Prime 2020-12-01.