Someone in the House

Letty Shell, a clerk in a London brokerage office, is discouraged by her lack of fine clothes and social position. She becomes infatuated with Nevill Letchmere, a debonair idler from a good family, and believes that he wants to marry her, but after her boss, Bernard Mandeville, who has risen to power and wealth, and who wants to marry Letty, warns Letchmere to keep away from her, Letchmere confesses that he is married. Disappointed, Letty accepts Mandeville's proposal, but when she sees Mandeville's boorishness in a restaurant, she returns to Letchmere. Just as she is about to become his mistress, Letchmere receives word that his married sister has eloped with a lover. When he curses his sister for acting like a "shop girl," Letty realizes that he views her and her class without respect. She leaves and accepts the love of her faithful friend Richard Perry, a poor photographer, whose rich uncle is going to help him in business

Canadian schoolteacher Julie Leneau becomes the bride of Geoffrey Arnold but is soon confronted by Claire who convinces her that she is Arnold's lawful wife. Fleeing into a blizzard Julie nearly perishes but is found by government official Hubert Randolph. They become snowbound and she later accepts his proposal to give her baby an honorable name. Moving to Jamaica Hubert rises in government and the couple are happy. However, when Geoffrey visits Julie realizes she still loves him and learning he has not been unfaithful Randolph surrenders his wife and her child to Geoffrey.

Nita, a former singer, loses her voice and husband. To support her child, she becomes a cafe dancer. When her husband dies, she leaves her child at a mission. Nita regains her voice, becomes an opera star and reunites with her child.

Bill Clayton is known as Broadway Bill because he is the most prominent Bill in the night life of the white way. Muriel loves Bill, but loathes his mode of life, and for her sake he goes to Underwood's lumber camp to work the alcohol out of his system. Hardigan. the foreman, thinks he is sent to spy upon his actions and makes several efforts to get rid of him, but in the end Bill thrashes the foreman, takes his place and wins the girl, though not before a curious chain of cross, purposes.

When the United States enters World War I, the widowed Helen worries that she will lose her only son David, who has just turned 21. Although David patriotically urges the employees at his factory to enlist, he reluctantly gives in to his mother's pleas to remain at home with her. When David is drafted, his panic-stricken mother alters the date on his birth certificate, although the later birth date implies that he is illegitimate. Disgusted, David enlists under an assumed name, thus shaming Helen, who confesses her dishonesty to the townspeople. Her son, now in uniform, then forgives her.

Larry Winthrop, the pampered son of an aristocratic Boston family, is loved by his wife, Eleanor, but she wants him to prove himself to her as a man.

Mistakenly believing that she has inherited a large estate from her father, Olivia Sherwood spends money wantonly. In reality, her funds are supplied by unscrupulous attorney Arnold West, whose ulterior motive is to possess her. When she falls in love with wealthy Richard Burbank, West becomes enraged. At a party, West confronts Olivia with the truth and threatens to expose her unless she marries him. Olivia frantically attempts to escape his advances and as West pursues her, he falls down the stairs and breaks his neck. Burbank overhears the entire confrontation and forgives Olivia, and they marry.

Shrewd crook Boston Blackie is determined to go straight. At a celebration held on the eve of his marriage to Mary Dawson, Fred the Count plants a stolen jewel and Blackie is arrested and sentenced to twenty years in jail. Fred the Count tries to win Blackie's fiancée, but the honorable Mary rejects him. Blackie's only hope for escape is from the hospital, so he manages to get into a weakened state. He escapes from the hospital, but is trailed by the warden. Blackie refuses to shoot the defenseless man, and the warden recognizes Blackie as an honorable person and allows him to escape. Blackie frames the Count, and leaves for Honolulu with Mary

Lucille Cameron, the spirited daughter of a Kentucky colonel, discovers that her father is nearly bankrupt as a result of his dealings with New York horseman and stock promoter Jim De Luce....

John Kendall was brought up in a wealthy family, but when his father loses the family fortune and then dies, John is left penniless. He joins the army and rises to the rank of sergeant. He soon meets and falls in love with Edith Ferris, the daughter of Col. Dickinson. When he talks to her at a party, Lt. Burkett upbraids him for fraternizing with an officer's family. Edith's mother, not wanting her daughter getting involved with a lowly enlisted man, conspires with Lt. Burkett to discredit John.

New York confidence man "Silk" Wilkins ingratiates himself with millionaire Lawrence Gray, knowing Gray’s wife and daughter Zelda were lost in a flood eighteen years earlier. After promising to find Gray's daughter, Silk returns to his boardinghouse, where he finds Alice Sheldon, broke and about to commit suicide. Silk convinces Alice to pose as Zelda Gray and then notifies Lawrence via a note placed in an almond shell that he has found the lost daughter. Lawrence treats Alice so kindly that when Silk demands payment from her on Christmas morning, she refuses. Lawrence, who has overheard the conversation, enters and laughingly reveals that he had known of the frame-up all along. Grateful to Silk for finding him a wife, Lawrence writes the confidence man a large check.