A house full of academics should imply calm and quiet, but much to housekeeper Harriet Rowsley's dismay some of the guests seem to have problems with the estate's unconventional practices and aren't afraid of voicing their concerns. Having Harriet and her husband and interim estate manager Matthew as the hosts of Thorncroft House, while his lordship is ill and the trustees are seeking his heir, is obviously not to everyone's taste! But Harriet won't let their patronising opinions get in the way of running the household as it was entrusted to her. She and her husband seem to have things under control until a series of unusual accidents occur around them. To make matters worse and more pressing, one of these accidents proves fatal . . . With a house now full of suspects, Harriet and Matthew have to find out who is causing chaos and why . . .