Bronco is accused of murder when a young widow takes an interest in him.

Bronco is framed for murder by a ruthless bounty hunter who kills and scalps Apaches.

In order to rescue a Seminole princess, Bronco must reveal a government secret and his role in Civil War espionage.

Arrested as an accomplice to murder, Bronco breaks out of jail and goes after his supposed cronies.

Bronco reluctantly works to help an outlaw rob a gold shipment, knowing that any disruption of the man's plans will result in the death of his hostage.

Bronco races to keep a vengeful deserter from ambushing Marshal Kilgore and the prisoner he's taking to jail.

Bronco helps a young Teddy Roosevelt fight a rancher trying to drive the Indians off their land.

Bronco faces a lynch mob when he tries to save a friend from the hatred of his own brother.

Bronco helps a friend fight a rancher and his hired gunmen, a fight complicated by the friend's love for the rancher's daughter.