When widow Mrs Pargeter decides to have her morning coffee on the patio of her mansion in Chigwell, her intention is to admire her beautiful garden in peace and quiet. Little does she expect one of the patio's paving slabs to crack in two, depositing her on the ground--and revealing a human skull with a neat hole in the middle of its forehead! Not wanting to bother the police just yet, Mrs Pargeter decides to save them some trouble and starts investigating the curious find herself. And who better to assist than her late husband's business associates, private investigator Truffler Mason and chauffeur Gary? The trio are soon certain that a murder has been committed and the body disposed of under some convenient building works. But who is the mysterious victim? And more importantly, who put the body under Mrs Pargeter's patio? Mrs Pargeter and her friends must find out the truth and soon, before the finger of suspicion points in an unthinkable direction: towards the late, great Mr Pargeter, whose business dealings Mrs P remains--naturally!--in blissful ignorance of...