An old man gives reporter Polly Burton detailed accounts of several unsolved murders and robberies, presenting his own indisputable solution to each mystery. Fascinated by the old man's odd habits and sharp wit, Polly begins to realize that clear and logical thinking is the most powerful weapon available to a detectiveor a murderer. But as Polly spends more time with the old man, she realizes that in his past lies the most tantalizing mystery of all.