The Black Diamond Express

King attempts to tighten the brake of a freight car standing near the summit of a steep grade at Lone Point. Suddenly, the brake chain snaps and the...

A crooked mine owner attempts to hijack his rival's shipment of ore, but Helen foils his plot by jumping onto the engine and pulling the throttle...

Sharky, a rival road agent, plots to spoil a trial run to be made on Helen's road that will win a mail contract. He opens a waste valve on the tank...

Jim, determined to ruin a box car brake test, hides inside, removes the flooring, and ruins the brake apparatus. As a result, the box car runs wild,...

Deering and his gang rifle the station safe and gain possession of some valuable gems; Helen seizes the package and throws it into the river. In...

Under the influence of liquor, Griffin foolishly displays a roll of bills. Wheeler and Walter, yeggmen, see the money and trail the traveler to the...

The bad blood existing between Reardon and Haley results in a fight in which Reardon is worsted. Reardon, vowing vengeance, climbs back aboard his...

A pair of crooks steal a valuable package, hold up the crew of a freight engine, and compel the engineer to aid their escape. Learning this, Helen...

Billy Warren, timekeeper on the construction job, arouses the enmity of Brent and Easton when he resents their bullying of the other men. Pay day...

Brent, the night operator has been knocked unconscious by a piece of lumber projecting from a passing freight, and has been rendered temporarily...

Helen receives a cypher message about a jewel robbery and trails the yeggmen to their lair. Discovered, Helen is bound and gagged and thrown into a...

Brandt, a defaulting cashier, hiding in Lone Point in his effort to throw detectives off his track, cuts the wires of Helen's telephone to prevent...