A strangely-garbed and eccentric-acting stranger arrives in a small English town. But, after several days on being in the town, the citizens accept him as a harmless, though a bit daft, member of the community. He then pays a visit to the town's leading citizen and reveals himself as a man with the perfect plan for murder.

Radio warns of a mental patient escaped from a hospital into a severe New Mexico blizzard. At the rail-stop near the sanitarium, a huge, old cowboy boards the train & calms a rattled family with tall tales of the West, as the besieged train grinds to a halt. Totally entranced is the family's young boy, dressed as a gunslinger. Is the patient the old cowpoke?