When a couple of scammers hold young Alice Faulkner against her will to discover the whereabouts of letters whose dissemination could cause a scandal affecting the royal family, Sherlock Holmes decides to take over the case. (Considered lost, a copy was found in 2014, in the vaults of the Cinémathèque Française.)

Carlotta has been brought up in an Italian convent, unaware that she is the illegitimate child of American architect J. Winthrop Drake. When her mother, an Italian opera singer, dies, Drake finally learns of Carlotta's existence and brings her back to New York with him without revealing the truth of their relationship.

An Englishwoman misbehaves in Canada, driving a traveling companion to suicide and bearing a secret child whom she whisks away. When she returns to England to receive an inheritance, her bad deeds catch up to her. The film is presumed lost.

George elopes with Lou Ellen, a judge's daughter, against the wishes of both their families. Simultaneously, George's friend Jim is in love with Jackie, an actress who gets into trouble for punching a bumbling constable at a raided party. George foolishly allows Jackie to hide in his home, leading to a series of comedic complications as he tries to keep her presence a secret from his new wife, her parents (especially her strict judge father), and his Quaker aunt.

Boone Stallard, elected to the Kentucky Legislature by a mountain district, clashes with Randolph Marshall, a Blue Grass aristocrat who is engaged to Anne, the governor's daughter. When a feud breaks out in the mountains between the Keatons and the Stallards, Boone returns home and with the help of Marshall restores law and order; later, Marshall obtains a commutation of the sentence of Stallard's brother, who has been condemned to death. Boone, now realizing the differences between a rugged, simple mountaineer and an aristocrat, decides not to ask Anne to marry him.

Helen Merrill sings and dances in the rough Western mining town of Nugget City, where she befriends Myrtle Cadby, whose husband Jake cruelly abuses her. After a particularly vicious beating, Myrtle, seriously injured, shoots Jake. As she lies dying, she gives Helen a letter of introduction to a man she was to have married in the East, urging her to leave Nugget City. Before she leaves, Helen overhears Bill Sheridan and "Snipe" Roach scheming to sell Charles Taylor, a wealthy New Yorker, a salted mine, with the assistance of George Reed, Taylor's mining agent. Helen goes East and learns that Taylor is the man whom Myrtle was to have married, but because she immediately falls in love with him, she conceals her own identity and masquerades as Myrtle.