After the death of her wealthy but lonely husband, wealthy but lonely hotel owner Maria Alsbacher falls in love with a charming bandleader and singer without realizing that he is only after her money. When she decides to marry him, her son enlists the help of his tragically ill fiancée, Lydia, to unmask this man for the villain he really is.

Lydia Bauer
Maria Alsbacher
Paul Alsbacher
Vera
Bertha
Kurt
Mr. Gidou, Night Club Singer
Dr. Bauer
Friedrich
Mrs. Bauer
Singer
Franz