1889. With the winter season, Flora's séance society is quiet and life looking dull. A late-night visit from the too-handsome Benedict, Duke of Everton, and his aunt Lady Imogen changes all that. Imogen's long-ago lover, the renowned archaeologist Lord Crosbie, is missing, and she fears the worst. Flora agrees to accompany them to a mummy unwrapping at the British Museum to see if anyone knows about the disappearance. It's the shock of the town when Crosbie himself is found in the ancient sarcophagus-murdered! Adventure awaits when Flora, Benedict, Imogen, the faithful Pomeranian Chou-Chou, and Mary the Cockney maidservant, set off for Egypt-and find a large cast of suspects who all had good reason to send the archaeologist off to his own underworld.