Emma inherits from an aunt she has never met, Overthwaite Hall - an old Cumbrian house built around a 15th century pele tower. She quickly learns to love the property and country life but strange noises in the dead of night intrigue her. What is the secret of the doorway into the old tower? She finds the snswer in her aunt's letter, which tells of her being 'transported' back to the 15th century and meeting the nephews of Richard III. Emma decides to make the same journey and becomes immersed in the fortunes of a family in those far off times. She has audiences with Henry VII's wife Elizabeth, travels between London and Cumbria and has encounters with reivers and ne' er-do-well soldiers of fortune intent on hard drinking and rape. The story, which contains an intriguing solution to the mystery of the 'Princes in the Tower', has romance intertwined.