The story follows Lewis as he meets an American fan, Joy Gresham, whom he befriends and eventually marries. The story also deals with his struggle with personal pain and grief: Lewis preaches that one should endure suffering with patience, but finds that the simple answers he had preached no longer apply when Joy becomes afflicted with cancer and eventually dies.

J. Robert Oppenheimer was a national hero, the brilliant scientist who during WWII led the scientific team that created the atomic bomb. But after the bomb brought the war to an end, in spite of his renown and his enormous achievement, America turned on him - humiliated and cast him aside. The question the film asks is, "Why?"

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.