World War I is coming to its end. Prisoners of war are coming into the town with Serb Ivo among them. During one of his escapes from the camp, he finds himself in a private garden. There he meets Lisa, the wife of the town-major - a severe and heartless colonel. She is sad, lonely and her meeting with the Serb develops into a deep mutual love. Their meetings become more frequent. But the lovers are doomed. The war prisoners are moved away and as Ivo comes to bid her farewell, he is shot to death.