On her debut as an opera star, Marion Stuart is interrogated and possibly implicated in the death of a male acquaintance. Released, although thoroughly shaken-up, Marion attempts to perform but loses her voice onstage. Humiliated, but driven to sing, she travels to South America under the assumed name of Maria Delasano, and works in an opera company under the tutelage of Feodor Glinka, who wants her to shun men and save herself for her art. Mary resists the persistent attentions of wealthy young Phil Roberts, who follows the company in hopes of marrying her. ...

The daughter of a wealthy industrialist wants to take over the company when her father retires, but the father--an old-fashioned sort who doesn't believe that "girls" belong in business--is planning on leaving the company to her wastrel playboy brother. In order to prove to her dad that she can handle the job, she disguises herself as an ordinary "working girl" and gets a job in her dad's plant. There she meets and falls in love with a clerk. She brings the young man home to meet her folks, but during the evening the family safe is robbed, and all signs point to her new boyfriend.

Mark Sabre hires young Effie Bright to keep his snobbish, cold-hearted wife Mabel company while he goes off to war. When he returns home from the front wounded, he finds that Mabel has fired Effie, who shows up at Mark's door with her baby, having no place to go. Mark takes her in, but Mabel leaves him when the town shuns him for what they believe is going on with Mark and Effie. Matters are further complicated when Effie, driven to desperation, commits an unspeakable act that results in Mark having a nervous breakdown--and then things get worse.

The foreman of a cattle-ranch located on the Texas-Mexico border is the leader of a gang of alien-smugglers bringing Chinese immigrants illegally into the United States. An under-cover Texas Ranger is sent to investigate.

Jack Bray is a wanderer in the wilderness of a Western town, governed principally by a band known as the 'six-o-one,' a gang of masked riders. While their original purpose was protection and not disturbance, they are temporarily under the direction of a degenerate, Jim Dougherty, keeper of the saloon.

Remotely derived from Balzac, the plot centers on Maurice Travers, who, through the self-sacrificing efforts of his mother, is able to attend college, though his love for sports and consequent neglect of his studies prevent his graduation. Madeline Marshall, an orphan living with Maurice's mother, loves him, but Maurice marries Donna Wayne, daughter of a wealthy New Yorker; and in the city they lead a carefree life. Her father insists that he support her, but he cannot. Following the blindness and death of his mother, Donna elopes with a rich suitor, and after a divorce Maurice finds happiness with the faithful Madeline.

Brave and good-natured cowboy Sandy Burke saves young Dolly after her father is killed in the saloon. He entrusts the girl to kindly Widow Mackey, who is having trouble paying her mortgage and decides he is responsible for the pair so he best start earning some money. Soon he is seeking work at the U-Bar-U ranch but who could predict the trouble he will have with the rancher's daughter, Molly, or the surly foreman, Jim Diggs!

Professional thief Joe Grim is killing time in New York City's Central Park before he robs the Wall Street subtreasury. He spots pretty young Laura White on a runaway horse. He manages to rescue her. Falling for her, he tries to steal a photo of her but is discovered and held at gunpoint by Laura's friend Countess Briand--who, unbeknownst to Laura, is actually the head of a German spy ring, among whose members if Laura's fiance Karl Richter. The countess convinces Joe to steal plane for a new airplane by telling Joe that they're papers that are being used to blackmail Laura. But things don't go exactly as planned.

When Deputy US Marshal Frank Dalton is killed in the line of duty, his brothers Bob and Grat are appointed to replace him. However, when they discover corruption in the higher echelons of the Marshals Service, they resign in disgust. Grat is cheated by a crooked gambler and takes back his money at gunpoint, but that winds up getting them labeled as robbers. Grat is wrongly accused of train robbery and imprisoned. When he breaks out of prison he and his brother decide to take their revenge by actually robbing the express company that falsely accused him in the first place.

Gunman Chuck Connelly is hired to silence the new district attorney who has been pounding the graft organizations. Chuck goes to the D. A.'s home to threaten him, but is taken off guard when his victim's little daughter leans trustfully on his knee and looks up at him with a smile. The D. A. ignores Chuck's warning, and the gang orders the gunman to execute him. Chuck breaks into the house, but sees the little girl again and is unable to complete his task. Instead, he seeks out his girl friend, Annie Mangan, a Salvation Army reformer, and swears to end his life of crime.