Checkmate to Murder

On a foggy night during the London Blitz, a  special constable arrests a young Canadian  soldier standing over the dead body of his elderly great uncle in a rundown house in  Hampstead. The only other possible suspects are the inhabitants of the  art studio  next door, a celebrated painter, his sister and their various guests. However as MacDonald and his assistant Inspector Reeves begin to investigate a number of other possible suspects and motives emerge, including the special constable himself.