An understudy to a haughty star thinks she can have whatever she wants, including the show's leading comedian. But Claude has fallen for Gaby, and when the star finds out she threatens to walk off the show unless Gaby is discharged.
The Denton's marital happiness brings home to Randall the loneliness of his own existence. Shortly afterwards, the young man meets Pearl Eltinge, a cabaret singer. Ignorant of the fact that her beauty is a mask for a shallow mind, Randall makes her his wife.
Tom Brown shows up at Harvard, confident and a bit arrogant. He becomes a rival of Bob McAndrew, not only in football and rowing crew, but also for the affections of Mary Abbott, a professor's daughter.
Having followed the road of romance through many countries, Lord Quex finally falls in love with Muriel Eden. After resisting Lord Quex because of his reputation, Muriel finally capitulates to his charms and agrees to marry him. In her heart, however, Muriel still treasures an affection for Caption Bastling, a fortune hunting womanizer, and when Muriel is told of Lord Quex's continuing contact with the Duchess of Dowager, a situation brought about through the scheming of the Duchess, Muriel turns to Bastling and agrees to meet him at her friend Sophie Fullgarney's manicurist shop.
Finding himself deeply in debt, William Newlands reluctantly marries Beatrice, the wealthy daughter of an old friend. When their honeymoon train is derailed, Beatrice loses sight of her husband but manages to save the life of mine owner Steven Crawford. Newlands is reported burned in the wreck and Beatrice returns with Crawford to his cabin, where she nurses him back to health. Meanwhile, Newlands has escaped death and, filled with remorse, decides to make a new man of himself. Disguising his appearance by the addition of a beard, he finds work at the Crawford mine, but determines to stay out of Beatrice's life. Eventually, Newlands becomes foreman, brings law and order to the discontented miners and discovers a rich vein of ore, thus averting Crawford's financial ruin. His job completed, Newlands is about to leave when Beatrice recognizes him and begs him to give their marriage another chance.
Hamad, an Arab half-breed, is in command of the ivory traders. Allan Deane is sent to take charge of the ivory traders' camp, and Hamad is told that he can serve as assistant hereafter. Allan Deane and Naila love each other. She informs Allan that Hamad is a slave trader and sells the native men and women like beasts.
Brian Godfrey and Arnold Lambert are clerks in the diamond broker's office, both interested in Mildred St. Pierre, the daughter of an old employee. For a while she is impartial but Arnold is too impetuous in his addresses and she repulses him. Gilbert Howell, a traveling salesman of the firm, puts into the vault a sealed package containing valuable private papers. On the same day is placed in the vault, a number of fine uncut stones in a similar package. When Howard starts on his usual tour, he takes from the vault what he thinks are his papers. That same evening, old St. Pierre, recalling the fact of leaving some very important papers on his desk is worried and decides to make sure by going back to the office alone to place them in the vault.
John Morning, rich, without family, dreams of things that might have been. He discovers a poverty-stricken woman who is fatally injured, takes her to her home in the slum district, where she dies, and John Morning assumes charge of the woman's daughter of fourteen, Ritta. He determines to try his "great experiment," and Ritta is unaware of whom her benefactor is.
Jack Windom experiences a sensation of awe at the reception of the Hindoo dagger from his old chum, Tom, who was traveling in India. Hanging the dagger on the wall. Jack goes out. For some time Jack has discerned a coolness in his wife, and his jealous misgivings were verified when he returned and found her in company with a stranger. Seizing the dagger from the wall he chases the recreant lover from the house and then follows the wife to the bathroom, wither she has flown in terror. Mercilessly he plunges the dagger and flies the place. The lover in hiding sees him leave and returns, and calling aid succeeds in reviving the wife, who afterwards with careful treatment recovers and marries her paramour. However, either from the baneful influence of this diabolical dagger, or the woman's capricious nature, just one year later the second husband enacts the same scene, but with fatal results.
Some valuable pearls are stolen in China and transported to San Francisco. Jane Hampton learns that her father is the smuggler, and that police are on his trail. Under pressure, she takes the pearls to a Chinese man named Woo Fong.
Mildred Manning is the spoiled daughter of wealthy parents. She has a host of admirers, but does not permit them to become serious. Jimmie Blake, who frequents the household more than anybody else, is a rattle-brained young chap who fancies that he is in love with Mildred and insists that he wants her to marry him. Mildred jokes him and refuses to take him seriously.
Professor Duane, an ethnologist, and his assistant, Roscoe Harding, plan a journey into the wilds of Hindustan. Harding is in love with Lydia, the daughter of Professor Duane, and they are engaged to be married. Lieutenant Tavish, a British army officer, is attracted to Lydia and plans to take her away from Harding by fair means or foul.
When young Eva Stanley comes home from college, she finds that her mother is deeply involved in the movement to rescue "wayward" girls. Eva's boyfriend John Gilbert is sent west on a government job, and Eva finds herself lonely and neglected. She is lured onto the yacht of lecherous Leo Spencer, the dissolute brother of the district attorney.
Henry Baird, a young newspaperman with a second-hand car but little money, decides to raffle off the car at a county picnic, so that he can take out his sweetheart, Mabel Darrow, the daughter of a wealthy businessman. However, as soon as Henry gets the money, his tailor demands that he pay off his debt. Also, youngsters set the car on fire before he can give to the winner, Joseph Plant, whose wife Evelyn was formerly Henry's sweetheart.
A small-town businessman bumbles into blackmail and a real-estate swindle.
A crook and his gang plan to con a young woman out of a cache of stolen loot they, and the police, believe she's hiding. The situation changes, however, when he falls in love with her and he sets out to save her from being imprisoned for a crime she didn't commit.
In a wealthy society family, the mother is forced to sit by and watch while her husband and son both compete for the affections of a pretty young temptress.
A high-society woman, Glenna Marsh (Dorothy Revier), is arrested for the murder of gigolo-gambler Cole Norwood (Norman Trevor), but his honest casino partner Peter Dane (Tom Moore) proves her innocence.
Blinded in a train accident James Driscoll (Holmes Herbert), whose wife, Miriam Driscoll (Belle Bennett), has been having an affair with his young male secretary Phillip Kingston )Carroll Nye), regains his eyesight. He keeps this from his wife, who continues her affair. Finally, he invites his young niece Nancy Driscoll (Josephine Borio) in the hopes she will fall for Philip and vice-versa. His ploy works, James reveals he can see again, and husband and wife are reconciled.
Jean, a young woman raised as a boy by her father who after his death is sent to a reformatory because of her boyish behavior. She later escapes, meets and falls in love with an artist named Craig Atwood, and must endure a series of trials to prove she is worthy of his love.