Don Knotts is Hollis Figg, the dumbest bookkeeper in town. When the city fathers buy a second-hand computer to cover up their financial shenanigans, they promote Figg to look after things, knowing he'll never catch on. Their plan backfires when Figg becomes self-important and accidentally discovers their plot.

A young, determined sheriff and his posse chase a gang of murderous train robbers, and a kidnapped woman into New Mexico.

A man has his eyes set on controlling the Big Sag territory in Montana and hopes to achieve his goal by forcing a newly-arrived family from Texas from their land. Hoping to convince the local saloonkeeper to help him, the man sends his daughter into town with instructions for his potential partner. A storm waylays the daughter during her trip to town and she is forced to stay at the home of her father's intended victims, leading to an interesting turn or two.

Small-town sheriff discovers that gun-fighting is the only way to clean up the town.

After WW2, a Los Angeles crime ring uses a complex scheme, involving a freight ship, a junkie, and a corrupt health officer, to smuggle drugs into the USA.

A government agent investigates the use of illegal amphetamines among long-haul truck drivers.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

A crook on the run hides out in an innocent girl's apartment.

Despite his talent as a musician, a city boy decides to become a boxer. He's successful as a fighter — much to the dismay of his parents. When gangsters try to by a piece of him, he begins to have second thoughts.