Herman Hofmann, the wealthy banker, and his beautiful young wife, Olga, had as their guest at dinner Karl Mahler, an artist. Some years earlier, before Hofmann married, Mahler, befriended by his family, had been sent away to Paris to study art. Olga, at that time a dependent ward in the Hofmann family, and the poor young art student loved each other with the sweet, pure affection of boy and girl.