The American Bride (1986)

Edoardo meets and immediately falls in love for Edith. They soon decide to marry. During the wedding Edoardo knows Anna, Edith's best friend and wife of her brother. This last is a fake marriage since Sacha is homosexual. Incredibly Edoardo loses his mind for Anna, and they become soon lovers. The two couples spend time together in Venezia. Edoardo is continuously shared between Edith and Anna. But this won't take long.