Captain Swing is a French nobleman who is shipwrecked in America and raised by Indians. Later after his adopted father's hanging, he leads a group of patriots called 'Ontario's Wolves' against the hated British Red Coats.
Jim Craig has lived his first 18 years in the mountains of Australia on his father's farm. The death of his father forces him to go to the lowlands to earn enough money to get the farm back on its feet.
In 1890 Minnesota Christine Powell is the scheming head of the Powell dynasty, the richest mining empire of the era. But the Powell mine deposits are diminishing. The Mesabi range represents a whole new productive area but the rights to mine there are held by a young geological engineer, Kyle Ramlo. The latter reaches an impasse when he needs money to continue his experimentation with open-pit mining and goes to Miss Powell for financing. She displays great interest in both his inventive mining method and in him personally but secretly plots to destroy him and take over his Masabi rights. The gullible Ramlo falls into clutches while the girl he really loves, Cathy Norlund, tries desperately to open his eyes to Christine's scheme.
Prince the wonder horse and his gallant rider gallop off to protect hapless ranchers from the ruthless Nazi bad guys who are trying to steal their land so they can exploit the valuable tungsten deposits in this WW II western. Mayhem ensues, but soon the villains are vanquished and America's tungsten deposits are safe once more.
Al arrives in town which is ruled by Lash who has taken possession of one gold mine and is now aiming to get the other which is owned by old Johnny. Al is the only one to support Johnny but still the old man is ambushed and killed.
Old Carl Stockdale is an habitual drunkard and the cause of much unhappiness to his daughter, Marguerite. Broncho Billy meets Stockdale's charming daughter and becomes very much interested in her, and realizes the sad state of affairs in the home on account of the father's failing.
Doc and Chapagua are two rogues who acquire a large stash of gold before the Civil War. They agree to hide it together, blindfolding each other on the way so they'll need each other to find the hiding place. After the War, double-crosses abound as Doc and Chapagua not only have to deal with the army, but with the seductive, gold-hungry Moira as well.
Jim West, foreman of John Calhoun's ranch, falls in love with Helen, the boss's daughter, after rescuing her from a runaway horse. Her brother, Ted, falls into the companionship of Bill Jackson, a notorious gambler and saloon keeper, who persuades Ted to sign I. O. U.'s while under the influence of alcohol. Jim, in company with Red Irwin, a tough deputy sheriff, confronts the gambler and forces a confession. Jackson plans a raid on the Calhoun cattle, forcing Ted to be his ally. Dolores, a dancehall girl, overhears the plot and tells Jim, causing Helen to misunderstand his motives.
A saddle-weary Steve Larkin, also the Duranko Kid, rides into Red Mound, a town filled with cattle rustlers. Cafe owner Smiley, befriends Steve and fills him in on the activities. Steve angers the rustler's leader, Flip Dugan when he purchases the old Atkins ranch which is supposedly haunted. Flip and his henchmen try to prevent the recording of the deed, but the Durango Kid and Deputy Marshal Tug Carter win the gun battle.
Smooth and lethal gunfighter Lee Calloway helps three bandit brothers escape from jail under the condition that they give him fifty percent of the stolen gold they have hidden. Of course, the treacherous sibling trio don't plan on keeping their end of the deal.
"Red" Davison(Buck Jones), the sheriff of Sun Dog, sacrifices his job and his good name to save his best friend, "Silent" Slade from the hangman's noose, following a framed-up court decision which sentences Slade to hang for the murder of "Scotty McKee (J.P. McGowan). Davidson allows Slade to escape from jail and follows him to aid him in proving his innocence.