Set in the early 20th century, this literally chilling British mystery is the seventh to feature Scotland Yard Inspector Ian Rutledge and his ghostly companion Hamish (the spirit of a corporal executed on Rutledge's orders during WWI). A remote, snowed-in farm in the north of England is the site for a slaughter. All of the Elcott family has been shot to death, except for 10-year-old Josh, who is missing. Rutledge is tasked with finding the boy, and discovering whether he is the murderer or the killer's next target.