Sappho (1922)

The engineer Georg de la Croix ( Herr Alfred Abel ) suffers a nervous breakdown due to the continuous unfaithfulness of his lover, Dame Sappho ( Dame Pola Negri ). Georg ends up in a lunatic asylum. His brother, Richard ( Herr Johannes Riemann ) wants to avenge him but instead falls in love with the beautiful Dame Sappho. When Herr Richard finds out from a previous lover of Dame Sappho that she was the cause of his brother's insanity, Richard decides to put an end to his affair with her by marrying someone else but he still must see Dame Sappho, even minutes after the wedding.