Based on the extraordinary true story of Operation Anthropoid, the code name for the secret Czechoslovakian mission to assassinate Nazi SS officer Reinhard Heydrich. Heydrich, the main architect behind the Final Solution to the Jewish question, was the Reich's third in command and the leader of Nazi forces in Czechoslovakia.

In the late 1800s, a man arrives in a remote country village to investigate an attack by a wild animal but discovers a much deeper and sinister force that has the manor and its townspeople in its grip.