Bruce Marsden, a former millionaire fallen on bad times, marries Helen Stanhope against her mother's wishes. The ambitious Mrs. Stanhope encourages Anthony Stuart, a rich broker and rejected suitor of her daughter, to win Helen away from Marsden, and Stuart consequently hires Marsden to work in his firm. As Marsden works, Stuart lavishes his attentions on Helen, who sternly rejects all his advances. Undaunted, Stuart sends Marsden away on a business trip and invites Helen to attend an elegant reception.

In 64 A.D., Marcus Superbus is Prefect of Rome. When the Emperor Nero decides to renew persecution of the Christians, Marcus opposes him, fearing for the safety of Mercia, the Christian woman whom he loves. Through the machinations of the Empress Poppaea and other women at court, Tigellinus, Nero's agent in the war against the Christians, convinces Nero to have Mercia arrested. Marcus appeals to the emperor for mercy, but is told that she can be saved only by renouncing Christianity. Waiting to enter the arena to be killed, Mercia steadfastly refuses to reject her religion, despite Marcus' pleas. Finally, Marcus is converted by her and they enter the arena to face death together.

When a newspaper owner is murdered, his son takes over his crusade against a corrupt politician with criminal associations.

King Rudolph of Rugaria sends his son, Prince Boris, to America to marry into wealth so that the country can recover from its financial difficulties. Rich Mrs. Hanway, eager to have her daughter Althea become a princess, takes her with Boris to Rugaria.

George Crosby, a New York lawyer, with a passion for painting, wearied of his legal duties, sails for Brittany, where he meets Renée Kerouac, a fisher-maiden, and sketches her as a Corregan, a fairy who destroys the men who refuse her love. Hoel Kalloc, her betrothed, becomes jealous, and George marries her, after saving her from Hoel's brutality.

According to the will of old Anthony Cole, his heir must live for one year in the spooky residence known as "the house of the tolling bell." The dread of the house and the superstitions enshrouding it are so great that only two people consent to undergo the ordeal. They are Cole's grandson Richard Steele, who had been disinherited when his mother ran away with a dance teacher, and Lucy Atherton. Jules La Rocque, a distant relative, plots to obtain both Lucy and the Cole millions.

Rich Southerner John Stanley Hale meets flirtatious actress Elizabeth Roddard, she induces him to marry her, but after several days of quarreling, he flees to Russia. After John's vessel is sunk in mid-ocean and he is reported dead, Elizabeth convinces her destitute and ailing friend Betty Blair to pose as John's widow in order to inherit his fine home in Alabama.