Lizzie must deal with her mother's defiant defense of the York cause, while the appearance of a boy in Burgundy claiming to be a young prince threatens to further destabilize King Henry's rule.

King Henry VII and Lizzie travel to Spain in an attempt to secure their son's betrothal. Meanwhile, unrest has been growing in Burgundy and spills over into an English battle.

A pretender to the throne is held captive at court, confounding the Tudors, and creating a new rift in Lizzie and King Henry's marriage. Lizzie faces an impossible choice, and makes a risky move to try to eliminate the threat to her family.

A final confrontation with the pretender exposes King Henry's weaknesses, while Lizzie confronts new demons and old curses.