This is a TV-movie feature edited from the 1938 Republic serial "Fighting Devil Dogs"

Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.

Racketeer Steve Recka, art patron and political power-maker, rules his town and Madame Lan Ying, his beautiful friend and hostess (read:mistress), with an iron hand. He meets Margaret Van Kase, a socialite not impressed by his power nor his wealth, having no money herself, and Steve makes frantic efforts to win her and turns away from the loyal Lin Yang.

It's 1860 and the old Spanish land grants are being surveyed. Montez is after part of Don Regas' rancho and gets the surveyor to alter the boundary. But Don Regas still has the original grant written on a bandanna. Montez sends Indians after it but Bill Cody and Gabby fight them off and a wounded Gabby unknowingly ends up with the missing million dollar deed wrapped around his arm for a bandage.

McCord's gang robs the stage carrying money to pay Indians for their land, and the notorious outlaw "The Oklahoma Kid" Jim Kincaid takes the money from McCord. McCord stakes a "sooner" claim on land which is to be used for a new town; in exchange for giving it up, he gets control of gambling and saloons. When Kincaid's father runs for mayor, McCord incites a mob to lynch the old man whom McCord has already framed for murder.

Four key incidents in the public life of Andrew Jackson (1767-1845), seventh President of the United States.

The newly-named emperor Maximilian and his wife Carlota arrive in Mexico to face popular sentiment favoring Benito Juárez and democracy.

A federal agent goes undercover in order to capture a gang that's been smuggling munitions and horses near the Texas border.

A man is brought back from death at the same time a vicious criminal dies in the electric chair. However, the man's soul is now taken over by the electrocuted gangster, who embarks on a vengeful crime wave.

Residents of a small frontier town take up arms when vigilantes try to block a railroad right-of-way.