Robert Wells is an American born in China who, unbeknownst to him, has an Oriental half-brother. Wells' uncle sends him to help Ray Williams build bridges in China. Williams is in league with Chinese reactionaries and he discredits Wells by turning him into a drug addict. Wells eventually becomes an outcast and is in a stupor when he is found by his half-brother, Kong Sue, the son of the Lord of Thundergate, a powerful Mandarin reactionary.

A bandit disguises himself as an officer in an attempt to woo a saloon singer.

A man known as The Drifter returns home to his cabin in the woods and winds up getting involved with an escaped convict, a gunfighter, lumber company rivals, mysterious family ties and murder.

A jazz-mad Nancy Burrard is a young matron easing her boredom by flirting with married men.

Real life rodeo champion Hoot Gibson plays Dan Molloy, an expert rider who wins the big one, the Calgary Stampede. When the father of his new French-Canadian girlfriend turns up dead, Molloy is the only suspect!

Set in a tenement, a lonely confirmed bachelor occupies a room across the hall from a dour spinster. Children run amok in the hallways playing pranks on the two. A little girl from the floor above, now alone in the world, brings the pair together and brightens their lives.

One of the last bills signed by President Lincoln authorizes pushing the Union Pacific Railroad across the wilderness to California. But financial opportunist Asa Barrows hopes to profit from obstructing it. Chief troubleshooter Jeff Butler has his hands full fighting Barrows' agent, gambler Sid Campeau; Campeau's partner Dick Allen is Jeff's war buddy and rival suitor for engineer's daughter Molly Monahan. Who will survive the effort to push the railroad through at any cost?

A father, anxious for his son's financial well being, develops a special soda pop called Dopokoke which is laced with cocaine. Dopokoke is advertised as relief "for that tired feeling." The drink is a success, but the son becomes addicted to it, much to his father's regret. Loosely based on the allegations that the Coca-Cola company and other soft drink manufacturers laced their soda with dope.

Texas Ranger Dusty Rivers ("Isn't that a contradiction in terms?", another character asks him) travels to Canada in the 1880s in search of Jacques Corbeau, who is wanted for murder. He wanders into the midst of the Riel Rebellion, in which Métis (people of French and Native heritage) and Natives want a separate nation. Dusty falls for nurse April Logan, who is also loved by Mountie Jim Brett. April's brother is involved with Courbeau's daughter Louvette, which leads to trouble during the battles between the rebels and the Mounties. Through it all Dusty is determined to bring Corbeau back to Texas (and April, too, if he can manage it.)

While their mother is away from home, Billy and his sister are set upon by marauding Indians, who trap them in their cabin. Billy rigs a keg of gunpowder and tricks the Indians into entering the cabin, while he and his sister escape.