Loyalty tested to the limit. Dangerous secrets to keep. A lifelong friendship between a princess and a commoner. Nellie Welche's life changes for ever when she's proposed as companion to Princess Sophia, daughter of mad King George III and Queen Charlotte. Taken into the heart of the family, Nellie is privy to the innermost secrets of the rotten House of Hanover. From the first rumblings of the French Revolution to the beginnings of the railway age, Nellie charts their story as she and Sofy support each other through the ups and downs of their extraordinary lives.