The Girl Engineer

15 chapter adventure serial: 1. Facing the Crisis 2. Vanishing Diamonds 3. Woman of Mystery 4. Haunted House 5. Perils of the City 6. Cipher Message 7. Bandit Raiders 8. Impostor's Scheme 9. Falsely Accused 10. Path of Danger 11. The Abduction 12. The Trial Run 13. The False Summons 14. Black Treasure 15. Retribution

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 reformed criminal is blackmailed when three girls are murdered.

Braggs, the young western settler, comes into view leading his broncho while he leads his little child on the horse's back. Placing the child on the ground and watering the pony, he takes his knife from his pocket to make an extra hole in the saddle strap. The knife slips and penetrates his wrist, severing an artery. His wife comes to his assistance, makes a tourniquet with strips of her apron, jumps on the broncho's back, bids her husband to care for the child and keep up courage while she rides to town for the doctor.

A film buff's obsession with an elusive, possibly nonexistent film spirals into a dangerous descent, blurring the line between reality and madness.

A man assists a woman to dispose of the body of her stepfather....

Publisher John Gillespie faces a financial crisis after his business partner skips town with all the firm's assets. Facing ruin, he reluctantly approaches a wealthy aunt for assistance but is met with a stony-faced refusal.

The fascinating game of bridge has completely ensnared Mrs. Willis, the pretty young wife of a Wall Street clerk, and money that should have been spent to pay household bills is squandered on cards.

Claim jumper Dave Marco and his boss Earl Foster, a crooked investment broker, hire chemist Ralph Brandon to falsify papers that a certain worthless mine is valuable then convince Ralph's mother to invest all her money in the mine. Ralph’s sister Holly meets Jack Mason, whose mine is actually valuable though not yet profitable, and they fall for each other. Once Mrs. Brandon finds out she has been duped, though forced into silence by the threat of having Ralph’s malfeasance exposed, and Marco attempts to jump Jack’s claim events come to a head until the happy conclusion.

A poor man refrains from proposing to the woman he loves until he can secure the fortune left him by his uncle. Believing the treasure awaits in his uncle's abandoned mansion, he begins searching... only to uncover mystery, murder, and a killer ape.

A mystery novelist meticulously creates an alibi to keep her husband from being convicted of murder.

Young Italian girl wants to become a great opera singer.

Helen, the operator at Hobart, warns her friend Anna, the operator at Montville, that Tim Hudson, a notorious swindler, is headed for Montville. Anna later brings about Hudson's arrest when the man, posing as a minister, attempts to swindle the people of the town.

Lockwood, the old, one-armed flagman at Lone Point, tells Helen and a young soldier of his experiences during the Civil War, and how he lost his arm. The Civil War flashback sequences consist of archive footage from Kalem's Railroad Raiders of '62 (1911), rather than newly filmed footage.

Climbing into a cab of a freight engine, Bobbie Layson, the son of a station pulls the throttle open. The alarm goes out and Helen, stationed at Lone Point, is ordered to derail the runaway and thus prevent it from running head-on into the approaching passenger train. Fearing for his son's life, Layson phones Helen

Fearing lest Cameron's horse beat the pony he has plunged on, Tony Dorgan orders one of his men to bribe the stableman to drug the animal. Saratoga Johnny tries to carry out Tony's order, but receives a beating at the hands of the irate Cameron employee.

Whispering Smith, a railroad detective, is sent to Medicine Bend to suppress the looting of cars.

Sterling and Ella steal a jewelry salesman's sample bag and make their getaway by boarding a passenger train. Word is flashed ahead to Helen, who in turn notifies Bowring, a railroad detective. The train is flagged.

Communicating with his pals outside, Daly informs them as to the date upon which he is to be taken from the jail to State's prison. Kling, the head of the gang, arranges to hold up the train carrying Daly and effect the man's rescue.

The shifting of the dynamite contained in a boxcar causes the latter to be cut from the freight and set out as unsafe. While this is being done, the Jones gang waylays Emerick, a cattleman who has just sold a herd of stock. Detectives are sent after the thieves.