In Nazi Germany, Kitty runs a brothel where the soldiers come to 'relax'. Recording devices have been installed by a power-hungry official who plans to use the information to blackmail and usurp Hitler. One of the girls discovers the ploy and, with the madam's help, takes on the dangerous task of exposing the conspiracy.

Helmut Berger
as Helmut Wallenberg

Ingrid Thulin
as Kitty Kellermann

Teresa Ann Savoy
as Margherita

John Steiner
as Biondo

Sara Sperati
as Helga

Maria Michi
as Hilde

Rosemarie Lindt
as Susan

Paola Senatore
as Marika

John Ireland
as Cliff

Tina Aumont
as Herta Wallenberg