Dr. Zhivago is one of the best-known love stories of the 20th century, but the setting of the book also made it famous. It is a tale of passion and fear, set against a backdrop of revolution and violence. The film is what most people remember, but the story of the writing of the book has more twists, intrigue and bravery than many a Hollywood blockbuster. In this documentary, Stephen Smith traces the revolutionary beginnings of this bestseller, to it becoming a pawn of the CIA at the height of the Cold War.