Thwarting her sister-in-law's efforts to marry her off to a decidedly unwanted suitor, the sharp-witted Miss Dido Kent is sent to live with a wealthy hypochondriac aunt and investigates the disappearance of a visiting heiress.
Refusing to believe that Penelope Lambe suffered a dangerous fall at an abbey ruin because of a ghost sighting, Miss Dido Kent uncovers a human skeleton at the scene and investigates clues linking the remains to Miss Lambe's accident.