In 1889 London young women are turning up dead, and Evaline Stoker, relative of Bram, and Mina Holmes, niece of Sherlock, are summoned to investigate the clue of the not-so-ancient Egyptian scarabs--but where does a time traveler fit in?

In 1889 London, vampire-hunter Evaline Stoker and investigator Mina Holmes once again join forces at the request of the Princess of Wales--this time their mission is to escort and protect a princess who is part of a trade mission from Betrovia, a country which has had a rocky relationship with England, starting with a four hundred-year-old dispute over a valuable Byzantine chessboard.