Gold, Frankincense, and Morphine

December 1938. Mary Grey is now working at St. Stephen's hospital in Rosby. But when a patient dies unexpectedly following a routine operation, she suspects something far darker than unforeseen complications. Soon she and Shaefer are swamped with a rising tide of bodies as they investigate a most cunning and ruthless killer. Matters are complicated even further when Mary's longtime paramour Harriet West impulsively takes in a child refugee who has arrived on the Kindertransport from war-torn Germany. Can the murderer be unmasked before all the joy is stolen from the Christmas season?