1584, London
"When Sir Francis Walsingham, spymaster to the Tudor Queen Elizabeth, learns of a Jesuit assassin landing on England’s shores, he’s determined to go to any lengths to protect his Protestant Queen.
His protégé, Kit Scarlett, discovers a letter revealing the name of the assassin – Gregorio Luca. Together with Scottish agent, Iomhar Blackwood, Walsingham sends them on a mission to track Luca down."