"Lee paints an evocative picture of London life and brings the romance between Mary and James to a happy conclusion." — Booklist Quick-witted Mary Quinn is undercover at Buckingham Palace, hunting a petty thief, when the Prince of Wales witnesses a murder. Even more alarming is the fact that the accused killer shares a name with Mary’s long-lost father. Meanwhile, engineer James Easton, Mary’s onetime paramour, is at work shoring up the sewers beneath the palace, where an unexpected tunnel seems to be very much in use. Can Mary and James trust each other long enough to solve the mystery and protect the royal family?