London 1527. Marry or serve: for Honor Larke, the choice is clear. Unwilling to perish of boredom as an obedient wife, she leaves the home of her guardian to attend Her Majesty Queen Catherine of Aragon.

Angered by the humiliation heaped upon her mistress as Henry VIII cavorts with Anne Boleyn and presses Rome for a divorce, Honor volunteers to carry letters to the Queen's allies abroad. It's a risky game, and swept into a tide of intrigue and danger that stretches across Europe, the Queen's lady is about learn everything about passion, pride, greed - and the capricious nature of the King.