What happens when the spymaster's right-hand man turns out to be a woman . . . ? 1584, London Sir Francis Walsingham, spymaster to the Tudor Queen Elizabeth has trained Kit Scarlett since she was a girl. Aware that she is able to infiltrate places that his male agents cannot, he sees her as an invaluable member of his team. When Walsingham discovers that a rebel alliance is planning to overthrow Queen Elizabeth and put Mary, Queen of Scots on the English throne, he summons Kit immediately. Together with loyal Scottish agent Iomhar Blackwood, Kit is tasked with finding out the full details of the treasonous plot. Both used to working alone, Kit and Iomhar struggle to get along, but they must come together if they are to have any chance of stopping the deadly conspiracy against the queen. Can Kit secure her place in a man's world? Will she save Queen Elizabeth? Or will her daring ultimately be her downfall . . . ?