During World War I, an Austrian officer is trapped behind the Russian lines. He tries to sneak through to his own lines, but is forced to take refuge in a small hotel, where he is hidden by the establishment's chambermaid. The two fall in love, but a Russian general makes the hotel his headquarters and sets his sights on the maid. In addition, the Austrian must find out the identity of a spy who is feeding the Russians military information that could lead to the destruction of the Austrian army.