Appassionata

Appassionata is a 1974 Italian erotic drama film directed by and co-written by Gianluigi Calderone. The film stars Gabriele Ferzetti, Ornella Muti, Eleonora Giorgi, and Valentina Cortese, and follows a dentist who lives with his mentally ill wife and teenage daughter, but his seemingly stable life is put into jeopardy when both his daughter and his daughter's friend begin sexually pursuing him.