In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.

Boston pharmacist Tom Craig comes to Sacramento, where he runs afoul of local political boss Britt Dawson, who exacts protection payment from the citizenry. Dawson frames Craig with poisoned medicine, but Craig redeems himself during a Gold Rush epidemic.

His Arizona hometown of Torpedo invites Gene back to be the honorary sheriff of the Frontier Days Celebration.

When a tough western town needs taming, the mild-mannered son of a hard-nosed sheriff gets the job.