This film is based on the actual events referred to as the "Mühlviertler Hasenjagd" (Hare-hunt in the Mühlviertel) which occurred in February 1945 around the Mauthausen concentration camp. 500 Soviet officers form death block 20 attempt to escape, but only 150 of them actually succeed.
Following the tally-ho of the SS, a barbaric manhunt begins. Only very few fugitives survive. With a lot of good luck, the two young officers Michail and Nikolai reach the Karner family's farm. Frau Karner persuades her husband to hide the two escapees.