In the aftermath of the Second World War, a relentless investigation uncovers the harrowing fate of fifty Allied airmen who were executed by the Gestapo following their daring escape from a high-security prisoner of war camp. Through the eyes of the survivors and the families left behind, the film reconstructs the desperate, high-stakes mission that became known as the Great Escape, revealing the human cost of courage and the cold, calculated cruelty of those who sought to silence the truth.