In 1501 fifteen-year-old Catherine of Aragon arrives in England to marry Arthur, the eldest son of King Henry VII, but soon finds her expectations of a happy settled life radically changed when Arthur unexpectedly dies and her future becomes the subject of a bitter dispute between the kingdoms of England and Spain.

After the death of her father, King Henry VIII, in 1547, thirteen-year-old Elizabeth must endure the political intrigues and dangers of the reigns of her half-brother Edward and her half-sister Mary before finally becoming Queen of England eleven years later.