Two sisters race their crazy uncle out to Jaroso, Colorado to rescue their recently deceased grandmother's paintings before their uncle can sell them all.
When Henry Boone hears his grandfather's stories of his youth as a pioneer and scout, he is gripped by the fires of romance and decides to hunt adventure. Boone finds himself in an airplane carrying a military message to a leader of a revolution in a South American country. He is arrested as a spy but escapes and saves the ruler's daughter from the revolutionaries.
While out on a plundering expedition, outlaw Dick Durand comes upon a band of Indians attacking a group of settlers. Dick opens fire on the Indians, but before he forces them to flee, they kill everyone except three children and Durand himself.
Pierre, away in the Northland, loves Jeanne. His love is returned and they are engaged to be married. Pierre leaves for a trapping expedition, and in the meantime the girl is enamored with the tales told by Niklo, an itinerant trapper, and becomes infatuated with him.
Jim Rose is a young ranch hand in love with the boss' daughter, Mabel. The rancher, King Brentwood, who is being sued for breach of promise by a local widow, opposes the match. Learning that the annoying woman is coming to pay him a visit, Brentwood has his men fake a holdup of her stagecoach.
A cowpuncher by the name of Whistling Dan is adopted by a rancher, Joe Cumberland (James O. Barrows). His daughter, Kate is immediately attracted to Dan, but Cumberland discourages the union since he thinks the young man is too wild for her.
Murderous bandits shoot up a town and kill the sheriff. But before he dies, the lawman leaves behind a list of the men responsible for his murder. Twenty-five years later, his son, Buck Marston has grown up and followed in his father's footsteps by becoming a sheriff.
Bat "No Limit" Carson, U.S. deputy marshal has to battle all types of varmints, including crooked dance hall proprietor "Con" Norton and his star entertainer, Fay La Cross. The booty is various gold shipments, and the beautiful heroine hails from the East.