Amanti miei

The name of this movie is Amanti miei released in 1979-05-30 and it's main theme is Cindy finds her fiancée Sergio in bed with a young hitch-hiker and discovers that he has been unfaithful with other women too. She takes her revenge by shying away from Sergio for a day, and has three different sexual encounters including a hot threesome with Stephen and his Brazilian girlfriend..