Posing as a nobleman, Allan Harrowby takes out a policy with Lloyd's to insure that his upcoming marriage will occur, Dick Minot, Lloyd's assistant manager in the U. S., travels to San Marcos, Florida to handle anything that threatens to disrupt the wedding. On the train, Dick falls in love with Cynthia Meyrick, then discovers she is Harrowby's bride-to-be, he subdues his feelings.

An American agent exchanges places in prison with a condemned British officer and brother of a woman he greatly admires and goes to the gallows.

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When oil magnate Thomas Waring receives a letter from his old friend, Mrs. Juliet Smith, suggesting that his beloved daughter Maida spend her vacation at Mrs. Smith's island home, Waring encourages Maida to accept as he has to go East on business. After Mrs. Smith supposedly gets Maida, Waring receives a call from the real Mrs. Smith, who says that Maida has left with an impostor.

Nick Van Alstyne owns the Henrietta silver mine and is very rich and his son Bertie is naive and spoiled. His daughter Rose is married to shady investor Mark. Mark wrecks Bertie's wedding plans by making him take the blame for Mark's illegitimate daughter, and also nearly ruins the family business by selling off some stock at too low a price.

Margot is the pawn in a game set up by her father, "Old Bill" Prewitt, and her husband, Tom Sloan. They use her to fleece gamblers until a gun fight results in serious injuries for both Tom and Bill. Bill thinks Tom is dead and takes Margot across country. He finally collapses from exhaustion and they are found by a trapper.

Jack Trevor, an automobile salesman who takes the place of the recently deceased heir, Horace Barney, after a train crash. Trevor, who has a striking resemblance to Barney, finds himself at the mansion where he falls in love with Barney's cousin and rightful heiress, Helen. He must then expose the fraudulent scheme of Barney's guardian and his accomplices to save the estate and win Helen's love.

Crusoe, defying his parents, goes to sea, gets shipwrecked, becomes the sole survivor on a deserted island, and builds a new life by salvaging supplies from the wreck, including a dog and cat, creating a fortified home, and learning to survive through hard work and faith, all while battling fear and isolation before eventually encountering 'Friday' and dealing with the intrusion of civilization.

Debutante Mary Manners has inherited the power of mind-reading from her gypsy ancestors.

Although the prominent Hollywood family prides itself on its illustrious family tree, young Winifred Hollywood exhibits a fondness for wild adventures that greatly disturbs her parents. When Winifred becomes engaged to bank official Harold Burton, his equally snobbish parents visit the Hollywood home and are shocked by the young woman's spirited outbursts and mischievous tricks, and the engagement is broken after she decides to perform bareback feats with a traveling circus.

Josephine Darchat lives with her Whipple grandparents in the country and loves Russ Prendergast, son of wealthy Calvin Prendergast, despite the dispute between the families over a spring between their properties.

Free and easy Garrett Cope loves Katherine Gresham, but his rival, Henry Miller, who is really Heinrich Mueller, a World War I German spy, gets rid of Garrett by having him arrested for the murder of Pembroke Van Tuyl. While Garrett is in prison, Katherine marries Mueller, but Sidney Dundas, knowing that the German actually committed the crime, finally confesses, and Garrett is freed. Meanwhile, Mueller takes Katherine to a remote island called No Man's Land, which he uses as a base for blowing up Allied ships.

Geoffrey Hampden, a Texas oil millionaire living in New York, seeks revenge against Philip Armond, the man who caused his sister to commit suicide.