Lady Viola Preston can relieve a gentleman of the studs at his wrists without his being any the wiser and pick any lock devised by man in less than a minute. But she's careful to wear gloves when she steals jewels. When Viola touches a gemstone with her bare skin, it 'speaks' to her, sending disturbing visions. Still more disturbing is the handsome rogue who catches her red-handed and forces her to join him on the most dangerous and thrilling adventure of her life...