In the delectable fifth installment of the bestselling adventures of Isabel Dalhousie, our cherished inquisitive heroine returns to investigate a medical mystery. A doctor's career has been ruined by allegations of medical fraud and Isabel cannot ignore what may be a miscarriage of justice. Besides, Isabel's insatiable interest is piqued and she finds herself asking questions. Would a respected doctor make such a grave mistake? If not, what explains the death of the patient? Clearly, an investigation is in order. Meanwhile, there is her baby Charlie, who needs looking after; her niece Cat who needs someone to mind her deli; and a mysterious composer who has latched on to Jamie, making Isabel decidedly uncomfortable. Whatever the problem, whatever the case, we know we can count on Isabel's instincts to help her find the right solution.