[1] It was shot at the Wiesbaden Studios and on location at the Salzburg Festival in Austria.

The film's sets were designed by the art directors Paul Markwitz and Fritz Maurischat.

[2] At the Salzburg Festival, the morphine-addicted prima ballerina Bozena Boroszi needs a hit of drugs to perform, but doctor Steininger refuses to give her any unless she goes into rehabilitation.

She instead attempts to seduce pharmacist Hans Falkner, stealing morphine from his cabinet when he is distracted.

Steininger, an old love rival for Falkner's wife Anna, wrongly believes that he has given her the morphine.