An aging art scholar and a visiting student, haunting echoes of France's colonialist past, and a delicious navarin of lamb--Bruno is back, and his latest case leads him from the Renaissance to the French Resistance and beyond by way of a corpse at the bottom of a well. When Claudia, a young American, turns up dead in the courtyard of an ancient castle in Bruno's jurisdiction, her death is assumed to be an accident related to opioid use. But her doctor...