
Cal Roberts

Violet Wentworth

Slim

Judge Boggs

Klaxton

Tarzan

Left in the care of his half-breed brother, Buck, by his dying mother, Wallace Layson has no knowledge of his family history. His father, knowing that his son will inherit a ranch on his 21st birthday, tries to secure the property for himself by persuading a dance hall girl to come between the boy and his fiancée. When Buck learns of the plan he decides to foil it without his half-brother knowing.

Fired from his job for shirking his duties, the 'Knight of the Plains' Bart Miller stumbles across a would-be stagecoach robbery and he rescues damsel in distress Betty Taylor. He takes Betty and her pretty girlfriends to the ranch of her father Bill Taylor. Meanwhile Taylor's foreman Luke Hatton is plotting to rustle his boss' herd with the aid of the corrupt lawyer Harkness.

A ranch foreman captures a notorious gang of gold thieves. He ties them up and leaves them for a pursuing posse while he goes out to find the gold they stole. When the posse arrives, the gang's leader convinces them that the foreman is actually the gold thief, and the posse sets out in pursuit of him.

After a work crew stringing telegraph wires across the Great Plains is slaughtered by Indians, Pat O'Leary, the company superintendent, must take out another supply train to make the dangerous trip across open country. The Indians attack and are driven off. On the day the wires are finally strung, the settlers gather to hear the first message from the East.

Dick Scott takes his Wild West show to the Balkan kingdom of Alvania where the boy king of the country commands the troupe to give a performance. The king is greatly impressed with the American cowboys and makes them his palace guard. The prime minister starts a revolution, and Dick and the Americans put it down. The boy king sanctions a romance between Scott and Ruth Elliott, the royal governess.

Don Luis O'Flagherty (Ken Maynard), a daredevil comes to the rescue of his long-lost father, "Tiger" O'Flagherty (George Nichols), the supervisor of a supply-wagon train destined for the miners in Sonora. Tiger is being terrorized by Jesse Wilks (J.P. McGowan), who hopes to starve the miners out of their claims. Falling in love with Tiger's ward, Sally (Dorothy Devore), Don Luis manages to turn the tables on Wilks, who is killed attempting to rob the supply train.