Gretl Heinz

Director Richard Anden and his screenwriter take a cruise on a luxury liner, avoiding all feminine attempts to get a movie contract, including the ship singer. When he unexpectedly discovers that a beautiful passenger is involved in a murder mystery and chased by the police he'll try to save her from jail. Yet everyone has a secret in this Austrian musical comedy.

Music student Verena finds herself torn between two stepbrothers: the carefree Alexander, with whom she is pregnant, and the serious Clemens, who, continuing his father's work, is developing a new drug. Alexander has fallen into deep debt through a dubious business deal and is forced to rely on his brother's help, who sends him to America. Meanwhile, Clemens offers Verena his country house, where she gives birth. Clemens and Verena slowly grow closer. But then Alexander returns, having found honest work and wanting to be a good father to his child. However, when he realizes that Verena has fallen in love with his brother, he angrily drives off and is seriously injured in a car accident. He is saved by Clemens' new drug. The brothers reconcile, and Verena stays with Clemens.