Davos 1917 Episode 3: Battlefields

Johanna (Dominique Devenport) and Ilse (Jeanette Hain) find out what is meant by "Mission H": the Entente wants to attack the German Reich from Switzerland with the help of high-precision time fuses. Johanna's job is to prevent the Swiss army's coding device required for "Mission H" from falling into the hands of the Entente. Dr. Mangold also wants the coding device. But the train with the Geneva officer, who is in possession of the coding device, is hit by an avalanche. Johanna and Mangold are ordered to the scene of the accident. While they both treat the accident victims, Johanna and Mangold pursue their mission secretly and independently of each other and eventually end up getting so close that they let themselves be carried away into a kiss. Meanwhile, at the sanatorium, suspicions grow that Johanna is involved in something shady.