A small-town sheriff in the American West enlists the help of a disabled man, a drunk, and a young gunfighter in his efforts to hold in jail the brother of the local bad guy.

Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the experiments are failing and Rudolph's been secretly killing the corpses afterwards. Meanwhile, the Lopez family leaves the town because of the evil going on there

Wealthy Kip Artmitage III (Robert Rockwell) honors his late wartime friend's request to look after the friend's "little sister."

Diamonds are being smuggled across the border from Mexico in a specially made shoe of a palomino mare. One of the smugglers is killed when the mare runs off. The sheriff blames Trigger for the death. To keep his horse from being destroyed, Roy confesses and goes to jail. The smugglers buy Trigger and put him to work smuggling diamonds. The mare, who had earlier heard a trist with Trigger, foals Trigger, Jr. who Roy, finally out of jail, uses to help capture the smugglers.

The bad guys dynamite a fish hatchery. They're trying to put the hatchery out of business so they can get possession of oil underneath the lake. Roy is a game warden investigating the dynamiting.

A crime ring is smuggling gold from Mexico across the border in the US. The Customs Service sends an agent to Mexico to try to infiltrate the ring and stop the smuggling.

Manzanita Springs ia a combination small airline and spa and Vance Brados wants it. He pays their mechanic to have the planes run out of fuel so his men can rob the gold shipments and kill the pilots. After Sheriff Roy Rogers catches the mechanic, Roy plans one more gold shipment to get proof and this time his men will be ready. But it looks like Roy's plan will fail when Brados suspects a trap and call off the raid.

Roy is a United States Marshal tracking down a counterfeiting ring and hunting down a mountain lion. Songs: "It's One Wonderful Day," "Rootin' Tootin' Cowboy," "Pancho's Rancho" and the title song.

A fugitive from the police helps a beautiful farmer run her struggling banana plantation.

A Cuban businessman's daughter elopes with a professor instead of marrying a banker's son.