This documentary tells the story of the creation and cultural impact of the world's most famous Christmas carol, composed in 1818 in Salzburg, Austria, and since then translated into about 140 languages.

The inspirational story of how Dr. George Daniels rose from Dickensian poverty to become the finest watchmaker of the modern era and how Roger Smith embarked on an obsessive, seven-year quest to become his apprentice and eventually, his equal.