John Kling is the protagonist of a German TV series featuring a secret agent who tackles international missions all over the world. He works as detective for an American secret service, usually teaming up with his colleague and friend Jones Burthe.
In January 1945, the young nurse Anna Mauth, working at a hospital in Dresden, becomes engaged to senior physician Benjamin Wenninger. At the same time, an English Lancaster bomber is shot down. The pilot Robert Newman, the only survivor, manages to reach the city severely injured and hides in the hospital's cellar. Anna discovers him incidentally thinking he is a German deserter, but finally decides to help Robert...