The film tells the fictional story of Nicholas Garrigan (James McAvoy), a young Scottish doctor who travels to Uganda and becomes the personal physician of President Idi Amin (Forest Whitaker).
Film tersebut mengisahkan cerita fiksi Nicholas Garrigan (James McAvoy), seorang dokter Skotlandia muda yang berkunjung ke Uganda dan menjadi perawat pribadi presiden Idi Amin (Forest Whitaker).