Miss Petticoats stops a runaway horse, saves a wealthy woman from death, is rewarded with position as a private secretary. Society shuns her. She goes abroad; then see how she becomes the acknowledged daughter of a French Count and falls heir to a title.

Betty Fairchild decides to follow the advice of her mother and marry for money. Thus, when Tom Connolly arrives from the West with his fortune, she accepts his proposal even though she does not love him. The idealistic Tom is completely disillusioned when he learns why his wife married him and promptly leaves her. Rupert Brantley, a wealthy cad, seizes this opportunity to win Betty, but she gradually realizes that she has been wrong and repulses him.

When Tourneur adapted the allegorical plays The Blue Bird by Belgian symbolist Maurice Maeterlinck and Prunella by British playwrights Harley Granville Barker and Lawrence Housman in 1918, they had been successfully staged for many years, opening in Moscow and on Broadway and everywhere. Today, the saccharine charm of these anti-modern fairy tales doesn’t work any more. But undistracted by the meaning or action of the film, we can enjoy the surface of Prunella all the better, the dazzling sets and costumes, silhouettes and painted backdrops created by the great art director Ben Carré in a fashionable Art Déco Neo-Rococo style.

As described in a film magazine, determined that her son Francesco (Verdi) will have every advantage of a successful reign when he grows to manhood, Duchess Gismonda refuses all offers of marriage. A sudden danger to her son prompts her to offer her kingdom to the man who rescues the child. Almerio (Foote) braves the dangers of the lion's den to save the child, but because he is a slave the Duchess refuses to fulfill her vow. Gradually, she learns to love him, and after he assumes the guilt for a murder that she committed, Gismonda confesses to the crime and in the presence of her people makes Almerio her consort.

A clairvoyant warns divorcée Adrienne Van Couver to beware of Robert Warren, whom she has spurned. The warning comes true after Adrienne's ex-husband, John Dean, meets Warren, an old friend, and tells him the story of his marriage to Adrienne. He tells how her frivolity and malice caused both the death of their only child, and after their divorce John’s romance with Lorraine Barkley who left him for lawyer Henry Armstrong. Enraged by Adrienne's treachery, Warren goes to her apartment and kills her. Dean arrives after Warren has fled and is arrested for the murder. Believing that Dean is innocent, Lorraine persuades Armstrong to defend him. After a last-minute confession by John is cleared.

The girlfriend of the son of a rich railroad tycoon, attempts to help him escape the clutches of his well-meaning, but over-bearing mother whilst encouraging her own father not to give up on his business, by instigating a staged kidnapping and black-mailing scheme.

In the poorest section of the city lives Nell, who spends her days at her grandfather's bird store, finding constant delight in the companionship of her feathered friends. One day Nell's grandfather is run over by a car driven by Mr. Morris, a millionaire, who offers to purchase a bullfinch at a large price in order to forestall a damage suit.

Eunice Torrence (June Elvidge) has wed the elderly Geoffrey Farrow (Joe Herbert) only because her mother (Isabelle Berwin) wanted her to marry money. But Farrow is a rotten character and Eunice, who really loves Don Chadwick (John Bowers), immediately regrets her decision.