Don Juan's 3 Nights (1926)

Johann Aridi, famous pianist and noted lover, finds that Ninette Cavallar, daughter of his hostess, has fallen in love with him, he welcomes the chance for yet another boudoir-conquest until he discovers she is only sixteen-years-old. He suggest that she look with favor upon a younger suitor, Guilio Roberti. When he returns from his world concert-tour, he finds that Ninette still holds her love for him. Realizing that it is only fascination, he devises a plan to make her realize that Guilio is really the man for her. That night, at an orgy-party thrown by Madame Cavallar, in which her teen-age daughter is present, Johann makes some drunken advances on Ninette, knowing that Guilio is close and will come to her rescue, and Ninette will then toss her favors-invitation in the direction of the gallant Guilio. What Johaan. an expert swordsman and duelist, had not counted on was being challenged to a duel by Guilio. What's an old roué do do?