Immediately after Emperor Hirohito's World War II surrender, General MacArthur suddenly finds himself the de facto ruler of a foreign nation. He challenges his expert on Japanese culture, General Fellers to provide evidence in ten short days to decide if the Japanese Emperor, worshipped as a god by his people but accused of war crimes, should be punished or saved, as the fate of a nation waits.

Based on the book His Majesty's salvation by Shiro Okamoto. Special features: audio commentary with Peter Webber and Yoko Narahashi ; "Revenge or justice: the making of Emperor" featurette ; deleted scenes ; theatrical trailer ; behind-the-scenes photo gallery.