内容简介：
Working in his shop one afternoon, Apothecary John Rawlings is taken aback when a man rushes through the door looking for a place to hide. A moment or two later, a formidable woman enters the shop searching for the stranger hiding in the back room. Only a few days after this incident the man is found dead, ostensibly the result of a street robbery, and his pursuer is fatally poisoned. As more victims follow, John Rawlings embarks on a journey that leads him to the Surrey countryside in search of some answers...