The gentle, unassuming cleric ferrets out the guilty in such mysteries as "The Blue Cross", "The Honour of Israel Gow", "The Hammer of God", "The Queer Feet", "The Flying Stars", "The Secret Garden", "The Eye of Apollo", "The Invisible Man", "The Wrong Shape", "The Sins of Prince Saradine", "The Sign of the Broken Sword", and "The Three Tools of Death".