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

Lorenzo Carilo selects more-or-less menial jobs at which to make a living, other more "select" jobs not paying enough, and then he meets and falls in love with Vivian Forrester the daughter of a new-rich family. What's a poor boy to do? He might pose as a French Duke.

Capt. Deering, a British war hero whose exploits in the Arabian desert have earned him the nickname "The Man of Stone", returns home to London to discover that his fiancé, the wealthy Lady Mary Fortescue, has left him for another man. Devastated, he returns to the desert and begins to drink heavily, which results in his becoming gravely ill. He is cared for by the lovely Laila, an Arab woman who falls in love with him. Meanwhile, Lady Mary has broken up with the man she dumped Deering for and travels to the desert, determined to get him back and to let nothing stand in her way.

Synthwave and Dr Jekyll together at last! Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.

A distinguished young Naval officer from a celebrated military falls prey to a terrorist and his seductress accomplice bent on destroying the Panama Canal.

Young Austrian girl Marie Helmar, is left penniless by the death of her father and disgraced by Prussian officer Captain Von Pfaffen, she flees to the safety of her French cousins, the De La Mottes. There she falls in love with their eldest son Gerome. On the night before their wedding, Marie sends a letter to Gerome confessing her indiscretion with the Prussian, but the letter is returned unopened. Soon after, she recognizes a new household servant to be Von Pfaffen, who demands that Marie disclose war secrets in return for his silence about her past. Torn, she passes on false information, which disgraces the Prussian. In revenge, he attempts to kill Marie, but she shoots him in self-defense. Shaken by remorse, Marie presents Gerome with her confession, which, he then reveals, he had read the night of their wedding. Their life thus unclouded, Marie announces she is expecting Gerome's child.

Brian Lazar returns to his shabby dwelling after pawning a valuable ring. A woman, accompanied by a detective, accuses him of being a thief, but, before his arrest, Brian pleads for the opportunity to tell his story.

Rex Radcliffe, vice president of the Northern Atlantic Railroad, is opposed by company president William Harding in his desire to put over a deal that would jeopardize the stockholders of the Interstate Railroad. Using thought control, he causes Weer, Harding's discharged secretary, to murder his ex-boss. Weer is arrested for the murder. Radcliffe then puts Harding's daughter, Helen, also under his influence. John Bonham, Interstate president, becomes interested in the case, and with the aid of Mrs. Weer he exposes Radcliffe, who then commits suicide.

The film is based on an ethnic Jewish comedy with characters created by Montague Glass and Charles Klein.

Steel magnate Rodney Graham divorces his wife, Alice, after she suffers an injury that renders her unable to give him an heir. He pursues debutante Katherine Dale, whose fiancé, Dick Allen, died on the eve of their wedding. With the help of Katherine's ambitious mother, Rodney persuades her to marry him. Katherine dies after giving birth to Rodney, Jr., and the elder Graham's stepbrother, Arthur Haynes, angrily predicts the magnate's sad demise. Rodney devotes himself to raising his son, who later falls in love with Arthur's' daughter, Ruth. Although he objects to the match, Rodney is persuaded by Alice to allow it. Upon discovering that his son was actually Dick Allen's child, Rodney plans to disinherit the boy, but is paralyzed by a stroke before he can change his will. He attends the wedding in a wheelchair and dies soon after.

At a reception given at the Rogers mansion in his honor, Somerset Carroll surprises the guests by saying he would aid a female convict reported to have escaped. Later he does just that when he finds the girl in the library, taking her to his own house. There she reveals herself to be socialite Helen Rogers, playing a game with him on the advice of her guests. He then declares himself a crook, holding the real Carroll prisoner, with the intention of robbing the Rogers mansion. She follows and shields "The Magnet" from the police, the real Carroll having escaped and notified them, and through her interference he eludes his would-be captors.

Swindler Arthur Montrose has tricked Marion Bates into getting committed to an insane asylum, after cheating her and her friends out of all of their money. She escapes and winds up with a criminal gang headed by Jim Brennan. Complications ensue.

Bill Clayton is known as Broadway Bill because he is the most prominent Bill in the night life of the white way. Muriel loves Bill, but loathes his mode of life, and for her sake he goes to Underwood's lumber camp to work the alcohol out of his system. Hardigan. the foreman, thinks he is sent to spy upon his actions and makes several efforts to get rid of him, but in the end Bill thrashes the foreman, takes his place and wins the girl, though not before a curious chain of cross, purposes.

Upon leaving prison, an ex con vows to go straight, but circumstances force him to return to crime. Meanwhile, a gang of crooks kidnaps a visiting British aristocrat, but the ex-con has an incredible likeness to the Englishman, and his intended hosts take him home to their mansion.

After Mary Carroll's husband learns that she has had an affair, he challenges her former lover to a duel and is killed. Mary is thrown out by her husband's wealthy family and separated from her little boy, John Carroll, Jr. Years later, John Jr. falls in love with Ruth Fulton, the daughter of the horse trainer for Rex Burleigh. When her father dies, Ruth accepts Rex's offer to care for her, but she leaves the expensive apartment he has provided when she learns his true motives.

Ted MacDonald and his father, Edmund, sail to the South Seas to treat a cholera epidemic among the natives. Upon their return to Long Island, New York, Edmund is diagnosed with the disease, requiring him and Ted to remain on his ship, with regular visits by a doctor. Socialite Lois Brooke takes it upon herself to board the vessel, and she is also placed under quarantine. Lois and Ted fall in love, and during an extended visit to her home, he is seduced by her life of endless parties and hot jazz. An avaricious interloper attempts to come between Ted and Lois, but Edmund persuades them to return to the ship and continue their charitable mission.

Prosperous architect David Hunter, lives with his wife Evelyn, who loves gambling and admiration, as well as his small daughter Dora, and his sister-in-law Ruth. When Evelyn tells her husband she owes $10,000 in bridge losses, she promises not to gamble or see her lover, Stephen Dabney, again if he will pay the debt. Stephen's friend, Moira Lamson, however, entices her to the country club for one last game. David and Ruth, worried by her prolonged absence, go to the club where they find her in Stephen's arms. Evelyn accuses her sister of spying on her and demands a divorce from her husband. Ruth, weary of her sister's frailties, moves out of the household and takes up nursing. Evelyn's health suffers from the strain, and now with David and Ruth gone, she is ill and alone. David and Ruth take pity on her and return. A smarter Evelyn is reunited with David.

During the First World War, Captain Sam McGinnis marries Florence Lanham, a Salvation Army worker in France. When she mistakenly hears that Sam has been killed, she returns home to her wealthy family without mentioning her brief marriage. But Sam turns up, alive but poorly dressed, and Florence is happy to see him but appalled at his clothing.

A farmer, unhappy with his life, decides to go the city to try and make his fortune. He takes a friend along with him. The two of them become successful, but that success brings other, unforeseen problems into their lives.

Silent film directed by Irvin Willat