The German 27th Royal Jaeger Battalion is returning from the front to Libau. Jaeger corporal Martti Kari (Kullervo Kalske) falls in love with the Livonian dancer Sabina (Tuulikki Paananen) on a train journey, who has also caught the eye of Baron Rolf Lichtenstein (Erkki Uotila). Spies' plots and war cast shadows over the relationship between a beautiful dancer and a handsome jaeger.