The series is a colorful exploration that charts every detail of the Royal Family's Christmas celebrations at Sandringham as Prince Harry and fiancé Meghan Markle join them together for the very first time. A celebration run with military precision and steeped in tradition, the series examines what Meghan has in store and the etiquette she must adhere to. The series also shines a light on the rich history of the Royal Family Christmas, going back to Victorian times. Featuring revealing interviews with former staff, including a chef to the Royal Household, a butler to Prince Charles and a wealth of archive materials, we reveal the inside story of the Royals at Christmas.