This title offers a Hennessey and Yellich mystery. When five corpses in various states of decomposition are found chained to the walls of a kitchen garden, Hennessey and Yellich quickly begin their investigation. The recently deceased owner of the house was housebound for the last twenty-five years, and so would have had no idea of the appalling crimes taking place yards away. At first, there doesn't seem to be much to go on - the victims appear to have little in common - but Hennessey and Yellich know that the dead must hold the clues they need...