The film is about a woman who experiences frightening visions after visiting an insane asylum where one of the inmates claims to be Count Dracula (here following the Hungarian spelling Drakula). She has trouble determining whether the inmate's visions are real or merely nightmares.

Hanging from a rope over the track, the detective seems certain to plunge to death when the oncoming train splits the knot of the rope which has been tied to a rail and slung over the bridge girder. Helen's presence of mind and nerve in swinging out over the river on the other end of the rope and thus balancing the detective until the train has passed prevents the terrible catastrophe. Later, when pursuing the culprits, Helen once more takes her life in her hands by throwing a lasso from the hand car on which they are pursuing the freight over the brake beam, and then crawling hand over hand to the top of the car.

Down and out, Bob, an engineer, drifts into town. His condition excites Helen's sympathy. Using her influence, the girl secures him a position with the railroad. Rankin, Dalmore and Dougherty escape from prison. The men attempt to enter the Hobart Tower, but Helen, seizing a revolver, baffles them.

While Hastings, the engineer of Freight No. 3205 is at lunch- in the Lone Point station, Bobby Heywood, the son of an engineer, climbs into the cab of the engine. Having frequently observed his father start his locomotive, Bobby jerks the throttle open. Helen sees the freight speeding down the track. Remembering that Bobby has been playing about the station, the girl surmises what has occurred.

Brent, the night operator has been knocked unconscious by a piece of lumber projecting from a passing freight, and has been rendered temporarily insane. Meantime, a furious storm arises, a track walker discovers a washout and wires a warning to Helen, who sets the danger signal for the Limited which is due in ten minutes.

Following the wreck of the pay-car, it is rifled by a band of conspirators. All but one of the band later succeed in making their escape from the town by automobile, but this one is forced to jump aboard a freight train to which is attached the wreck train and huge crane.

The 84th film in the Hazards of Helen series

Circumstances make Helen think that Jack, the engineer and son of the road's auditor, is guilty of the theft of $50 that comes to light through a shortage in her accounts. Gypsy Joe, the real thief, gathers his followers to seek vengeance on the train crew for having thrown him off the train.

The vote stands a tie on the railroad bill that will mean ruin to the Western line should it pass the State Legislature. By getting Senator Brown, who is aboard a liner quarantined in the bay, to the Capitol the day will be saved. The road superintendent takes a daring chance and aboard a motorboat succeeds in smuggling the Senator ashore and to a Western special which speeds off towards the Capitol of the neighboring State.

In a scuffle between the assistant foreman and a discharged employee at the mountain construction camp the latter's revolver is fired, bringing about a dynamite explosion that severely injures many of the men.

Burkett, superintendent of the Western Railway, opposes his daughter's friendship for Dick Benton, one of the company's lawyers, favoring the latter's fellow-worker, Guy Warren. Warren succeeds in putting through a scheme which results in Dick's discharge. The lovers plan to elope and enlist the aid of Helen. But Eleanor's father learns of the move and wires ahead to police officials to board her train and arrest her while he follows in his special. By a daring leap from a handcar to the train Helen succeeds in warning Eleanor of her peril, but is too late, and Helen and Dick are forced to stand idly by while Burkett starts on the return trip in his special, carefully guarding Eleanor.

Agents of a foreign power are seeking to get possession of the plans of a new aeroplane motor invented by Dick Benton. Under cover of darkness they succeed in their scheme and are escaping in their automobile when it plunges over an embankment near Lone Point.

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 train commences to roll down hill. Helen sees King's peril, rides to a point just before a curve, crawls hand over hand across a rope which she has stretched across the track, and snatches King from the car moments before the car is dashed to pieces as it leaves the rails of the curve.

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 wide open, eventually exposing the unscrupulous villain.

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 of the engine, and, when nearing Lone Point, the water tank runs dry. Helen comes to the rescue by mounting the new gasoline speeder and starting off with the mail for the end of the run.

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, trapping him inside. Before Helen can sidetrack the runaway, it shoots off the track at Elbow curve, overturning as it topples down the embankment. Helen smashes a hole through the side, braves the flames, crawls into the car, rescues Jim and drags him to safety. But her heroism is too late; Jim dies in her arms.

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 order to recover the package, a human chain is formed by the railroad men, which Helen climbs down and attempts to catch the package with her feet. Meanwhile, Deering and his men have boarded a launch, and succeed in grabbing both Helen and the package. Morton takes over a freight train, captures the crooks, and rescues Helen and the gems.

When informed by Helen that the rival railroad proposes to cross the Salt Lake's tracks, McKay, Division Superintendent, rushes a guard of men to Lone Point. This temporarily blocks the rival road's plan, but only until its force of men has been strengthened.

Their demand for money having gone unheeded, Garibaldi and his gang wreck Number One. Howard, who attempts to interfere, is battered into insensibility. The criminals then place a note in the man's pocket warning the railroad officials to heed their demands in the future.

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.