A special childhood experience enabled Linda (Melanie Griffith) to develop fluent German, but due to the tense war situation, speaking German was prohibited in Linda's life. During an application, Linda accidentally revealed her excellent language talent. At this time, the boss Ed (Michael Douglas Michael Douglas) needed a secretary who could speak German, and Linda became the perfect candidate. As time went by, the relationship between Linda and Ed became closer and closer. The outbreak of war made Linda realize that Ed, who seemed to be in business, was actually an intelligence collector, and she was hopelessly in love with him. The war separated the lovers, and after that, Linda once again became Ed's right-hand subordinate. During a dangerous mission that required sneaking into Germany, Linda volunteered. Ed agreed with her to leave Germany in a week, but Linda missed the appointment. What happened to Linda? Is she safe? Ed knew nothing about this.