In the immediate aftermath of the Second World War, as the world grapples with the unveiled horrors of the Holocaust, U.S. Army psychiatrist Lt. Col. Douglas Kelley (Rami Malek) is assigned the extraordinary task of assessing the mental state of Hermann Goring (Russell Crowe), the notorious former Reichsmarschall and Hitler’s second in command, along with other high-ranking Nazi officials.

As the Allies - led by the unyielding chief U.S. prosecutor, Supreme Court Justice Robert H. Jackson (Michael Shannon) alongside Sgt. Howie Triest (Leo Woodall), David Maxwell-Fyfe (Richard E. Grant), Gustave Gilbert (Colin Hanks), Col. John Amen (Mark O’Brien) and Burton C. Andrus (John Slatterly) - navigate the monumental task of creating an unprecedented international tribunal to ensure the Nazi regime answers for its atrocities, Kelley gets to know his ‘patients’. But he soon finds himself locked in a psychological duel with Goring, whose charisma and cunning reveal a sobering truth: that ordinary men can commit extraordinary evil.