 X-27 intercepts the officers at a Vienna masquerade ball and flirts with the suspected spies; both men become infatuated with her.Operationally, Austrian intelligence has instructed X-27 to lure General von Hindau to his private apartment.There, during the faux seduction, the Chief of Secret Service places a telephone call to Hindau, requiring that he briefly absent himself and leaving X-27 free to search his personal belongings; she cleverly tricks von Hindau into revealing his device for smuggling coded messages to the Russians