Trapped in a Scottish prison by a fierce snowstorm, our narrator encounters the intriguing resident doctor, an expert in criminal psychology. To pass the time, the doctor shares a captivating tale of a peculiar prisoner who wears motorcycle goggles‚revealing the shocking reasons behind his unusual accessory and the dark deeds that led him to a life sentence. Join us as we delve into this bizarre story of crime and intrigue. - Summary by A. Gramour