Vivien Leigh and Conrad Veidt star in this dashing spy thriller set in Sweden during the First World War. Madeleine Goddard (Leigh) runs an elite fashionable boutique in Stockholm – a job that often takes her to Paris. She is also a high-ranking German spy – or is she? Love and duty collide as she brings to fall for the charms of aristocratic German deserter Baron von Marwitz (Veidt).