Sergeant Richard Glenister of the Royal Mounted Police is rescued from a blizzard in the Canadian Northwest by Jack and Betty Danrock, a couple fleeing from the law. After Glenister recovers, he encounters them again at a trading post, where Betty denies knowing him to protect their identity.

The speed of lightning; the roar of thunder; the thrills of an earthquake; it's "The midnight flyer".

The speed of lightning; the roar of thunder; the thrills of an earthquake; it's "The midnight flyer".

Bobbie Walters, a cab driver in a Midwest city who is trying to save enough money to marry his sweetheart, Dorothy Wright, an attendant at the cigar and newspaper counter of a large hotel, is able to amass $15,000. He acts like a millionaire and soon is fleeced of the money by two Wall Street swindlers. Broke, Bobbie is forced to work as a bellboy at Dorothy's hotel. After a series of struggles and adventures, Bobby wins a fortune in the oil fields of Louisiana, despite the efforts of his rivals, who dynamite his oil derricks.

The film is based on a book of the same name by Arthur Guy Empey, detailing his service as an American volunteer with the British Army on the Western Front.

Jack Duncan returns from the war in France to his wife and baby and learns that his job as a draftsman at the Loring Steel Mills has been taken. Given work in the machine shop, Jack becomes the prey of Red agitators who want him because of his popularity with soldiers. The Reds cause Jack's discharge just when his house payments come due, and when they convince him of the injustice of his situation, he joins their ranks. After learning of plans to burn the factory and Loring's home, and start a riot in the town, Jack is won over by a socialist's arguments advocating mild reforms. At a meeting of workingmen, Jack praises Americanism. He warns Loring and, with soldiers at a nearby camp, quells the riot. After a woman agitator kills her comrades and then shoots herself, Jack arrives home to save his wife from an attack by a Red ringleader. Jack is then made a foreman at the mill.

Eddie Haskins, a wisecracking young man, teams up with two ham-acrobats known as 'Bugs & Sunny', and ,when they are all kicked out of a vaudeville theater in California, they enlist in the U. S. Cavalry. Eddie falls in love with Dorothy Clark, the daughter of a sergeant and, following a moonlight tryst, they are discovered by Sergeant Hank Darby who himself is in love with Dorothy. They have a fist-fight in which Eddie comes out second best. When Darby is reprimanded for fighting with an enlisted man, the troopers incorrectly think that Eddie squealed on him, and they punish him with a conspiracy of silence. Dorothy also rejects him. Eddie has a problem. Maybe a fire will break out in the stables and he can rescue Sergeant Darby.

The main plot concerns an architect who, when he begins losing his eyesight, worries that he is on the verge of losing his girl as well. The fact that the heroine is spending time with a burly prizefighter would seem to confirm this.

A refined criminal keeps his life secret from his daughter. When he gets trouble from the police after shooting one of his underworld associates, he enlists in the US Army and goes to fight in France during World War I. While in France, he serves alongside a young man who is in love with his daughter.

Bobbie Walters, a cab driver in a Midwest city who is trying to save enough money to marry his sweetheart, Dorothy Wright, an attendant at the cigar and newspaper counter of a large hotel, is able to amass $15,000. He acts like a millionaire and soon is fleeced of the money by two Wall Street swindlers. Broke, Bobbie is forced to work as a bellboy at Dorothy's hotel. After a series of struggles and adventures, Bobby wins a fortune in the oil fields of Louisiana, despite the efforts of his rivals, who dynamite his oil derricks.