Jenny Cavanaugh, the ghost lady of 926 Augur Lane, enlists the investigative services of her fellow residents to solve her own murder--Abigail Rook and her eccentric employer, R.F. Jackaby. The investigation begins with Jenny’s fiancé, who disappeared the night of the murder decades ago. When Abigail and Jackaby uncover a more recent murder that closely mirrors that of Jenny’s, they know they are on to something.