A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Even though Big Bill Devens is a powerful politician, he still sticks to his working man's roots. His wife walked out on him 20 years before and his daughter, Moira, believes she is dead. Moira falls in love with Hugh Dillon, a handsome young attorney, and Devens gets him a job in the district attorney's office. One night, Devens' wife, now an old, decrepit woman known as Aileen Clayton, returns to ask forgiveness.

Prudence, a young society woman and aviatrix, is forbidden to continue flying by her fiancé Hewitt and her father. In defiance, she stages her own kidnapping, but Hewitt discovers the ruse and arranges a real abduction to teach her a lesson. His plan backfires, and the kidnappers rob him and capture Prudence. In order to save herself, Prudence pretends to join the gang.

A young, beautiful prostitute named Sadie Thompson arrives on the South Pacific island of Pago Pago looking for honest work and falls for Timothy O'Hara, an American sailor who is unfazed by her unsavory past. However, Mr. Davidson, a missionary who arrived on the island at the same time, aims to "save" Sadie from her sinful life and petitions to have her separated from her beau and deported back to San Francisco.

A beautiful showgirl, name "the Canary" is a scheming nightclub singer. Blackmailing is her game and with that she ends up dead. But who killed "the Canary". All the suspects knew and were used by her and everyone had a motive to see her dead. The only witness to the crime has also been 'rubbed out'. Only one man, the keen, fascinating, debonair detective Philo Vance, would be able to figure out who is the killer.

In Renaissance Florence, a Florentine trader meets a shipwrecked stranger, who introduces himself as Tito Melema, a young Italianate-Greek scholar. Tito becomes acquainted with several other Florentines, including Nello the barber and a young girl named Tessa. He is also introduced to a blind scholar named Bardo de' Bardi, and his daughter Romola. As Tito becomes settled in Florence, assisting Bardo with classical studies, he falls in love with Romola.

An artist pretends to be a valet to escape a woman's advances. He marries another woman but must keep painting in secret to make enough money.

While building an irrigation system for a Southwestern desert community, an engineer vies with a local cowboy for the affections of a rancher's daughter.

Harry Leon Wilson has written nothing more diverting than this story of the irreproachable English valet who is lost in a poker game to a rough-and-ready westerner and taken to Red Gap ultimately to become its social mentor and chief caterer, and there is sheer delight in the story of how the Earl, brought over to save his younger brother from the vampirish clutches of Klondike Kate, makes the lady his Countess and once more stands Red Gap upon its somewhat dizzy head.

Ted Howard, a vaudevillian left, stranded in a tank town. A local girl, Mary (Sally O'Neil), proposes to finance a new act with her savings and the team succeeds in a minor way until Ted is discovered by Broadway femme fatale Valeska (Carmel Myers). Not wishing to stand in her partner's way, Mary nobly resigns from the act and instead accepts a minor role in the show. She proves a sensation on opening night, however, and a jealous Valeska demands her ousted. But Ted, who is in love with Mary, reorganizes their old act and they begin a new life together as man and wife.