Mrs. Julie Wardh returns to Vienna with her husband Neil Wardh, who is an investor in Wall Street. Julie and Neil have been married for one year but they do not love each other. Julie has a trauma from her former boyfriend Jean, who was a sadistic man. While Neil has meetings in Austria, Julie spends the vacation with her friend Carol Brandt. They go to a party where Carol introduces her handsome cousin George Corro, who has just inherited a fortune with her. When Julie sees Jean in the party, she decides to leave the place. Soon Julie, who is neglected by Neil, has a love affair with George. Meanwhile a serial-killer that kills women with a razor blade is terrifying Vienna and the inspector has no lead to follow. When Julie is blackmailed because of her love affair with George, she suspects Jean might be the blackmailer. Carol decides to go to the meeting with the blackmailer and is killed. Julie believes that Jean might be the wanted killer and decides to leave Vienna and Neil to go...