Thundering Through

A US Army officer is sent undercover into the hills of Mexico's Baja California region to find and bring down the madman Crando and his group of crazed followers, who are setting up their own criminal empire spreading from Mexico into the United States.

A lost film. As described in a film magazine Exhibitors Herald on March 16, 1918: "a forest ranger known only as Headin' South (Fairbanks) goes forth in search of Spanish Joe (Campeau), a Mexican responsible for most of the treachery and outlawry along the U.S.-Mexican boarder. Headin' South gains quite a reputation as he goes along and finally believes himself worthy of joining Joe's band. in a whirlwind finish in which Joe is captured, Headin' South meets one of Joe's near victims (MacDonald) and falls in love with her."

On the American frontier in the last decades of the 19th century, Billie is a female cowboy who fights a series of bad men in this film serial.

A college graduate returns West after ten years in the East to her home in Sulfur Springs. Virginia's mother, the owner of a rooming house has turned hard and uncaring in her absence and the girl finds comfort in her friendship with Ross Cavanagh, a forest ranger. The latter runs afoul of cattle baron Sam Gregg, who resents a new tax on cattle grazing on government land.

Madge Black witnesses her best friend Nan Westland, kissing her husband, successful lawyer Jeffrey Arnold Black, a successful lawyer, and orders Nan from the house. Angered by her refusal to let him explain, Jeffrey leaves his wife and son David, Jeffrey meets Nan on a westbound train. Though he does not love her he offers his protection and the next year they welcome a son, William. Nan pleads with him to divorce Madge and marry her for the sake of their son, but he will refuse. Distraught, she marries Ben Richardson, a client of Jeffrey's client, leaving their son behind. Twenty years pass with David becoming a responsible adult while half-brother William now known as “Rodeo” becomes the leader of a lawless band of robbers. Meanwhile Ben Richardson and Nan have become owners of Chanceland, a gambling-house in Colorado and it is there that things reach a climax between the near identical brothers.

Three outlaws fleeing a posse through the desert come upon a dying woman and her baby in a wagon. Before she passes away, she makes the men promise to take care of her baby and get it safely through the desert.

Trying to trick Ma (Lydia Knott) and Mary Winters (Allene Ray) into selling their rundown ranch, which will be in the path of a future railroad, Underwood (Charles K.French) hires Keno Creager (Albert Smith) to impersonate Jimmy Winters, not seen by his mother and sister for many years.

A western settlement of pioneer descendants is threatened with the loss of its water supply through the encroachments of nearby townspeople.

A lost film. Teddy Drake is a pleasure-seeking aristocrat who ends up expelled from his exclusive Fifth Avenue club for playing practical jokes and other rambunctious antics. He decides to reform his selfish ways and boards a train heading heading for the Southwest.

Cowboy Billy Fortune is in love with Hope Beecher, who prefers Billy's friend Ben Morgan, but resists his advances because of his fondness for drink. Hope's discontent is echoed by the town wives' public outcry against drink. To divert their interest, Billy is nominated to make love to their leader, widow Fay Bittinger, who has already disposed of four husbands....

When Pinto reaches her eighteenth birthday, the five wealthy Arizonans who adopted her upon the death of her parents decide that ranch life will never make a lady of her. Their old friend Pop Audry, formerly of Arizona and now a member of New York society, agrees to provide Pinto with the necessary education. Accordingly, Pinto and her cowboy nursemaid Looey are dispatched to New York where they lose Audry's address. ...

Gold miner Edd Denmeade loves Lucy Watson, the sister of the official mining claim recorder. Denmeade suspects Watson of killing his father, who after a poker game was shot by a gambler "who shuffles with one hand." The real murderer, Sam Spralls, has convinced Watson that he killed Denmeade and threatens to expose him unless Watson assigns him all the gold claims. Spralls assembles a band of killers to jump the claims when Watson complies. Eventually, Denmeade learns the identity of the killer when he sees Spralls shuffle a deck of cards. He forms a vigilante party and rids the community of Spralls and his gang.

Bill Merritt and his pal, Chewin' Charlie, notice a touring car passing them on the road. Soon the car stops, and the party sets out after a jackrabbit wanted by an elderly lady in the car. Bill, realizing the brakes have slipped on a downgrade, rescues the runaway car and its occupant, Mrs. Gordon, and wins the lady's admiration. Invited to the hotel of millionaire mine owner Andrew Gordon, Bill becomes interested in his daughter, Cleo, but is told that the man who aspires to be her husband must possess wealth. That night Bill overhears a plot to take over a strip of land between Gordon's mine and that of his enemy Tom Middleton; Bill and Charlie set out to stake their claim, and after subduing "Fraction" Jack, they register the claim. Bill persuades Gordon to buy out his claim and saves Charlie from claim jumpers.

Vic Stanley, a wandering cowboy, is found by Clint Taggart and his daughter, Amy, after he has escaped from a band of rustlers. Upon recovering his sight from a desert sandstorm, he sees and falls in love with Amy and becomes resolute in his decision to uncover the identity of the rustlers and particularly their leader, "The Eagle." Though blind during his capture, he nevertheless recognizes the voice of The Eagle in McElroy, a leading banker. After another escape from the gang, Vic manages to save Taggart and Amy from The Eagle's sticky clutches, exposes their operation, and proceeds on course with Amy.

Jeanne La Roche lives alone with her brother in the great northwestern country. Jacques is a ne'er-do-well and has fallen under the suspicion of the mounted police, two of whom are dispatched to arrest him for robbery. The stolen goods are found in his home. Jeanne is too young to be left in their lonely cabin, so she is taken to the post, where the wife of the proprietor welcomes her and gives her a home. Several years later, Donald McLean wins her for his wife. Meantime Jacques escapes from prison, eludes his pursuers and takes refuge in McLean's home.