Hartley, fascinated by the vampish Leonie, steals and serves a term in prison. Not satisfied with this downfall, Leonie again works her womanly charms upon Dr. Gerald, who is engaged to Johanna, the adopted daughter of Dr. McLean. Learning of the woman's designs on the young doctor, Hartley denounces her in Gerald's presence. In response, Gerald foolishly renounces Johanna and his friendship with Dr. McLean. However, when Leonie discovers that Johanna is her own daughter whom she had deserted as a child, she becomes conscience-stricken, gives up the young man and begs forgiveness.
Priscilla Worth, an innocent country girl, goes to the city to visit her aunt, who has sent for her, thinking that her childlike simplicity will afford a welcome relief to Vincent Morgan, a wealthy bachelor and man-about-town. The plan works, but soon after Vincent and Priscilla's marriage, Vincent, besieged by his friends to return to his gay life and suspicious of his wife's relationship with Durant--an artist who has painted her portrait--yields to temptation.
To start a little in advance of our story, Lord Rintoul, of the English nobility, finds a little Gypsy girl three years old, who had been deserted by her parents. Fifteen years later, Gavin Dishart, the Little Minister, receives an appointment, his first, at Thrums, Scotland. This was made possible through the self-sacrifices of his widowed mother, to educate him for the ministry. The community of Thrums is made up of weavers, who work hard, have little and accomplish much. They are ultra-religious and look upon their pastor with such reverence that he is a little lower than the angels. While naturally intelligent, they are grounded in dogma and intolerance. Just after the Little Minister takes charge of the "Auld Licht Kirk" and the Manse, the weavers resent a reduction, by the manufacturers, in their pay and a strike is declared.
Helder is a happy family man, but one day his wife receives a letter from her brother Albert, who managed to escape from prison.
Therèse is a young woman who has married an older man to be able to live a wealthier life.
Robert "Bob" Wesley horrifies his father, Admiral John Wesley of the Naval Advisory Board, by failing his examination at the Annapolis naval academy. Bob seizes the chance to redeem himself, however, when he overhears Hanson, the butler, plotting with German agent Count Von Ornstorff to deliver his father's plans for the Atlantic coastal defenses to German Baroness Von Hulda. In Baltimore, Bob meets the baroness' ship and, with the aid of an old college professor, makes her his prisoner. Having impersonated a woman in the college play, Bob disguises himself as the baroness, rendezvous with the spies, and obtains the plans.
Dick Evans is the corrupt boss of a rough-and-tumble munitions town called Powderville. He hires his friend, Jack Ripley, to establish a newspaper, intending merely to further his own financial ambitions; however, Jack envisions The Trumpet as an instrument of good and soon persuades Dick to clean up Powderville.
A wealthy Russian family faces change and challenges as events unfold during the First World War.
Betsy Thorne (Bennett) travels to investigate a missing man where she overhears a conversation between the sheriff and an imported detective that reporters are barred from the house and grounds where the mystery has taken place. She comes across a maid sent to the house from Richmond, and so frightens her that she gains a chance to act in her place. During the first night at the house she is terrified when she sees a ghostly figure come from the grand organ. The house is roused by her screams as she flees the room, and she is forbidden from going back there by the sister of the missing man. During the following night she is locked in her room during a thunderstorm, and while escaping through a window sees the ghostly figure again in the family graveyard. She makes an investigation which starts from a particular chord played at the grand organ. They find that certain keys cause a secret door in the organ to open, revealing a secret passage to a family tomb.
Mrs. Standing, an old-fashioned country mother, sacrifices to put her son John through college so that he might have a better life. Upon completing school, John goes to the city where his financial success blinds him to the basic values taught to him by his mother.
Orphaned after the death of their mother, Nancy Grimm and her baby sister Ellen are taken to the country where Ellen is adopted by the wealthy Walsh family. Nancy keenly feels the loss of her sister, and when the judge rules that she cannot visit Ellen without permission, she throws herself onto a bench, winning the sympathy of young attorney Chester Noble. Nancy is then placed in the Wick's home where she is treated as a servant. Miserable, Nancy cuts off her hair and, dressed as a boy, runs away.
A poor shopgirl is offered a "good time" for a week by the son of her employer. She accepts, but the offer is misunderstood by her brother, who informs the girl's parents of her "fling."
Louis and August Siever, the twins sons of a German father and American mother, are traveling in Europe when war breaks out. August joins the Kaiser's army, but Louis, a supporter of the United States, is practically made a prisoner in Berlin for a year while he tries to prove his American citizenship. After a violent confrontation with Louis, August steals his brother's passport and leaves for New York with Gerda Anderson, a German spy.
When Edith Graham returns from school to live with her father, Lieutenant Graham, at a Northwest Mounted Police post in Hudson's Bay, she finds herself courted by two suitors, Corporal John Emerson and Reginald Annesley, the latter of whom is a wealthy purchasing agent for the post. Annesley however is also involved with the half-breed Marie. When Marie tells him she is carrying his child Annesley kills her and attempts to frame Emerson. However, Edith is suspicious and sets out to find the truth.
James Brieson, a wealthy stockbroker, ruins Hutch Valiant, who soon after dies of the shock. Valiant's son Steele returns from the Northwest, where he won his fortune, just before his father's death and decides to devote his life to the cause of revenge.
When young inventor Bob Moore fails in his efforts to provide his father, a safe manufacturer, with a lock that is burglar proof, he contacts The "Eel," the most talented safecracker in the city, to offer him a job in his factory. The Eel, deciding to go straight, accepts the offer, but when he later learns that Irene Hardin has been given a valuable necklace by her father, The Eel plans one last job to secure Irene's pearls.
Nancy Glenn is a pupil in Pop Hogland's school for crooks. When, attired as a boy named "Spider", Nancy fails at her lessons as a pickpocket, Pop decides to pair her with Pliny Drew, a graduate thief and swindler.
During a raging storm, a baby is washed up on shore on an island in Greece and is adopted by the wealthy Stanhopes, who name her Lorelei. Eighteen years later, Lorelei, now a woman, invites her school friends to spend their vacation at her villa. One of her guests, Julie, is insanely jealous of Lorelei. One day Gerald Waldron, a disenchanted society fop, sails by on his yacht, accompanied by his social-climbing friend, Hartley Royce. Seeing Lorelei and her friends swimming, they decide to go ashore. Both Gerald and Hartley fall in love with Lorelei, and Julie rages, finding herself relegated to Hartley. Together Hartley and Julie plot to separate the lovers.
To receive the $5,000 promised in her Uncle Stephen's will, Dulcie Culpepper must live with her Uncle John in New York for six months so that her father, a Confederate colonel, will be reconciled with his brother whose marriage to a Northern woman long ago caused a breach.
Lieut. Governor Oliver Barnitz accedes to the governorship when his predecessor, failing to call out the militia during a riot at the Wilmot plant, is shot and killed by terrorist Oliver Poole. Faced with the dilemma of whether or not to commute the assassin's death sentence, Barnitz falls into a troubled sleep and dreams of being forced to cast judgment on his father in a similar position.