On her first anniversary, Ann Reagan finds that her sister-in-law is involved with a shady character that she used to be intimate with, and determines to intervene.
Like many Easterners who suffer from consumption, "The White Plague," Jim Warren goes to Arizona for the curative powers of its dry climate. When he arrives in Tucson, though, he cannot find a room because he is a 'lunger.' Ill and despondent, Jim is befriended by Betty Blake, the daughter of rancher and town sheriff Frank Blake, who suggests that he try the open desert. Wandering the desert, Jim happens upon members of the gang headed by Scar-face Jordon, a notorious rustler.
Texas Ranger Chuck Williams is the bashful sweetheart of the daughter, Ellen, of the captain of his Texas Rangers troop. He is working with the Mexican Rurales in an effort to stop a gang of gun runners. The gang-leader shows up, posing as an artist, and Ellen takes him in as a boarder to make Chuck jealous. But Chuck is wise to the boarder, who kidnaps Ellen and heads for the mountain hideout of his gang.
The renown Hindu scientist, Dr. Chindi Ashutor, who has conquered plague in India, visits Scotland and falls in love with Kate Erskine, whose sister Mary is engaged to Ashutor's college friend, James Bassett. Although Kate loves Ashutor, she says marriage would make them social outcasts.
A lost film. George Travelwell (Fairbanks), an American youth motoring in Morocco, discovers that the governor of El Harib (Frank Campeau) has seized a young American woman for his harem. Disguised as an inmate of the harem, George nearly wrecks the place while he rescues her. One thrilling incident follows upon the heels of another in their attempts to get away, and it ends with him setting one tribe against another, leaving them free to peacefully ride away.
To pay off his extensive debts, Armand La Tour agrees to sell government secrets to a gang of spies, but when he fails to produce any information, Ben Hassan, the ring leader, kidnaps Louise, La Tour's eldest daughter, and forces her to perform Turkish dances in his cabaret.
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.
While traveling to meet her sweetheart, Richard Carr, in the capital of the Grand Duchy of Bonaluria, Peggy Dare's train compartment door is thrust open and a little boy is thrown at her feet. Peggy is so taken with the child, who tells her that his name is Manouche, that she looks after him. She foils an attempt to kill Manouche, before arriving in Bonaluria where she learns from Richard that the boy is really the Grand Duke.
A young man gives life to a statue with disastrous results. Early adaptation of Frankenstein with the names changed.