Karin Twerdy used to be an opera singer but now in order to pay for her daughter Danielas education in a religious school she performs in a shady nightclub Industrialist Dietrich Gontard the father of Karins school friend Christa falls for her But when he learns the truth about her he is outraged and rejects her At a loss and not to stand in the way of Danielas future Karin chooses to disappear