Mr. Reginald Templeton returns to Marsh Quay after several years in Africa. And the very next morning, he is found stabbed to death in the cabin of his yacht. As local police detective DS Colson leads the attempt to reveal the killer—with more or less help from, among others, Mrs. Colson, a Canon of the local cathedral, and the dead man’s solicitor—he finds the mystery grows ever more obscure…