Flynn, in a delightful, non-historical role, is an amateur criminologist who earns his living as an investment counselor. At night, without wife Marshall's knowing, he slips outside and plays sleuth, looking for crimes to solve so he can write some mysteries under his nom-de-plume, F.X.
Pettijohn. While prowling about in the fog one night, Flynn encounters a jewel thief who is found dead the next day, apparently of acute alcoholism. This appears to be murder to Flynn, who knows the man was a teetotaler, and he spends the rest of the film trying to prove his case. En route he
meets a zany stripper (Patrick) while posing as a swaggering Texas cattleman. This further ...