Prague, 1942. The Third Reich is at its zenith, controlling most of Europe. Reinhard Heydrich (Jason Clarke), aided by his wife Lina (Rosamund Pike), has risen to the top of the Nazi Party as head of the SS, the Gestapo, and the architect of the "Final Solution". His brutal and oppressive rule of occupied Czechoslovakia leads to Hitler dubbing him "The Man with the Iron Heart". However, a small group of Czechoslovak Resistance fighters led by Jan Kubis (Jack O'Connell) and Jozef Gabcik (Jack Reynor) seek to stop the unstoppable and plan to assassinate Heydrich, making him the highest-ranking Nazi officer ever to be killed World War II. Based on Laurent Binet's bestselling book 'HHhH', 'The Man with the Iron Heart' its all-star cast tell the incredible story of how the brave men and women the Resistance sacrificed everything in name of freedom.