Married to a man twice her age, quickly widowed, and a mother at only fourteen, Margaret Beaufort is determined to turn her lonely life into a triumph. She sets her heart on putting her son on the throne of England regardless of the cost to herself, England, and even her son. Disregarding rival heirs and the overwhelming power of the York dynasty, she names him Henry, like the King; sends him into exile; and pledges him in marriage to her enemy Elizabeth...

When her twin sister's bones are discovered interred in a vault that has not been opened since the 18th century, Serena uncovers a secret family history pointing to an impossible story that connects her to the 15th century mystery of the young Duke of York.