A wealthy Parisian surgeon finds himself serving time in a brutal penal colony.

At the outbreak of the Civil War in the United States, the six sons of widow Beecham enlist. The seventh son is very anxious to join the army and fight for his country, but his brothers insist upon his remaining home with his mother.

Young Billy Burns is in love with Irene Brander, to whose father he is private secretary. Irene returns his affection, but is very much afraid that her father will force her to marry Bert Austin, a young society and club man of his choice. Billy, seeing that this is imminent, goes boldly to Irene's house and asks her father for her hand.

Lupin is the lover of Joan of the Apaches. She is attracted by Paul de Gafilet, nobleman and sculptor. She visits him in his studio and resolves to abandon her underworld career for his sake. Lupin vows revenge but is frustrated by Joan. The latter's affection for Paul turns to rage when she sees him embracing another woman. Joan joins with her confederates to steal some jewels from a statue of the Madonna in a church. She learns that the woman she is jealous of is Paul's sister, attempts to halt the robbery but fails. Paul is injured by the thieves and Joan held captive.

A rodeo rider arrives in Toptown to compete in the local rodeo. He meets a pretty young girl who, with her crippled father, runs a merry-go-round for the town's children. The town bully, who has designs on the young girl, tries to drive off the cowboy but is beaten senseless in the resulting fight. Soon afterwards, however, the girl's father is found shot, and the cowboy is arrested for the crime.

This domestic comedy depicts a woman who stops her husband's gambling habit by having her cousin stage a fake police raid on the weekly poker game.

When Deputy US Marshal Frank Dalton is killed in the line of duty, his brothers Bob and Grat are appointed to replace him. However, when they discover corruption in the higher echelons of the Marshals Service, they resign in disgust. Grat is cheated by a crooked gambler and takes back his money at gunpoint, but that winds up getting them labeled as robbers. Grat is wrongly accused of train robbery and imprisoned. When he breaks out of prison he and his brother decide to take their revenge by actually robbing the express company that falsely accused him in the first place.

A Cisco Kid story.

The Secret Kingdom is a 1917 silent action movie serial comprised of 15 chapters: 1. Land of the Intrigue 2. Royalty at Red Wing 3. Sealed Packet 4. Honorable Mr. Oxenham 5. Carriage Call #101 6. Human Flotsam 7. Ghost Ship 8. Rum Cay 9. Swamp Adder 10. A Goat Without Horns 11. The White Witch 12. The Shark's Nest 13. The Tragic Masque 14. The Portrait of a King 15. The Tocsin.

On account of his extravagance and dissipation, Col. Ryder disowns his son and casts him off. Guy, resolved to redeem himself, joins an Indian regiment as a private, and leaves England.