A country house celebration turns deadly on the eve of Guy Fawkes Night. In the winter of 1924, Daisy Dalrymple Fletcher and her husband Alec, a Scotland Yard Detective Chief Inspector, are guests at a country estate for Guy Fawkes Day. Their host, the overly-demanding Viscount, is found dead in his study, apparently by his own hand, the night before the festivities. Daisy and Alec must navigate a household filled with secrets and simmering tensions to uncover whether this was a suicide or a murder disguised as one, all while a married woman guest from Australia adds another layer of intrigue.

This installment in the Daisy Dalrymple series appears to offer a classic cozy mystery experience, blending historical setting with a perplexing crime. Readers familiar with the series likely anticipate Daisy's characteristic blend of curiosity and intuition as she unravels the secrets of the country estate. The premise suggests a focus on character interactions and the uncovering of hidden motives within a closed circle of suspects. The integration of the Guy Fawkes Night theme adds a specific cultural flavor to the unfolding investigation.