Shirley Combs is the world's greatest living detective. She uses the methods of Sherlock Holmes to solve crimes in Portland, Oregon. Her sidekick Dr. Mary Watson narrates. Here they investigate the death of Priscilla Leoni. Shirley, aware Cilla is a descendant of Sir Charles Baskerville, believes the case correlates with The Hound of the Baskervilles. Elementary, Dr. Watson?