Le docteur Jekyll, un philanthrope obsédé par sa double personnalité, met au point une drogue pour séparer son bon côté de son mauvais. C'est ce dernier qui, nuit après nuit, prendra finalement le dessus et le transformera en monstrueux Monsieur Hyde.

A young man discovers the reason his new bride killed herself.

Two playboys stumble drunkenly home, where the owner falls asleep and the other attacks the maid. The butler intervenes and a fight results in the death of the assailant. A French girl, escaping from a pimp who kidnapped her, witnesses the crime. The butler convinces his master he is the killer, and must flee. He joins the girl but is caught. She helps police expose the real killer by going undercover as another maid.

After a man's wife leaves him for a sculptor, his only comfort is a statue of his wife.

Olaf writes his memoirs, before his execution. He tells of his life as a struggling farmer when Renie, stranded in the village, stays one night in his home and Olaf falls in love with her.

Bob Fulton is the superintendent of a mine in the West. He wins the enmity of dancehall owner Jack King when he saves one of the girls, Rose De Braisy, from his unwanted advances. Fulton also wins Rose's love, which he does not return. The mine's owner sends his troublesome son, Roland Holt, out West to work at the mine. Before Holt leaves the East he secretly marries Beth Hoover. Upon Holt's arrival, Fulton tries to befriend him, but Holt prefers the company of bad-guy King.

A man discovers that he has two personalities--and one of them is a notorious strangler.

Cheyenne Harry défend des fermiers que le propriétaire de ranch Thunder Flint veut chasser...

A farmer's wife decides to take her children and leave her gambling addict husband.

A young heiress of an American gun factory is threatened by a masked man after her father was murdered. This criminal might be a member of her family or a German agent, who wants to get information about the factory's products, perhaps his mystery has a combined solution - we will probably never know...

Melissa, alias M'Liss, vit avec son père "Bummer" Smith à Red Gulch (Californie) pendant la ruée vers l'or de 1849. Sauvage, indisciplinée, mais aussi charmante, M'Liss décide d'acquérir des manières et de l'éducation lorsque Charles Gray, un jeune instituteur, arrive en ville.

Bummer devrait hériter un fortune de son frère Jonathan, mais les anciens employés de celui-ci, Jim Peterson et Clara Parker, engagent le hors-la-loi Mexican Joe pour l'assassiner. Après sa mort, Clara arrive en ville, prétendant être la veuve de Bummer et de ce fait son héritière. Pendant de temps, Charles est arrêté et condamné pour ce crime. Peterson incite la population à lyncher Charles, mais ce dernier arrive à s'échapper à l'aide de M'Liss et d'un de ses amis, Yuba Bill. Finalement, Peterson est obligé d'avouer sa culpabilité et M'Liss retrouve son héritage et l'amour de l'instituteur.

Charles Murdock neglects his fat and lazy wife for another woman; When his other love interest becomes involved in a murder, he leaves for Paris.

Operette-like oriental fantasy about a forbidden love between en english boy and a chinese girl.

A factory owner cheats on his wife and attempts to stamp out a revolt against poor working conditions.

Dans un quartier pauvre de Londres, une jeune fille, Lucy, est battue par son père, champion de boxe ivrogne et raciste. Un soir, alors qu'elle erre dans la rue déboussolée et blessée, Cheng Huan, jeune immigré chinois timide et idéaliste, la recueille chez lui. Il prend alors soin d'elle et en tombe amoureux. Mais le père ne tarde pas à les retrouver…

Mrs. Philip Mason commits suicide after she has an affair with Stephen Lee, a disreputable stockbroker, and sells her husband's securities so that Lee can buy stocks. When Lee goes bankrupt, he blackmails Helen Trent by threatening to reveal silly love letters she wrote to him before she married. Her brother, Willy Grosby, and his fiancée, Helen O'Neil, who lives with the Grosbys, go to retrieve the letters. While Willy waits outside, Lee is knifed to death as he attacks Helen. Lee's friend, Edward Wales, attempts to pin the murder on Helen by having Madame LaFarge, a clairvoyant, conduct a séance. In the darkened room, Wales, through whom Lee's spirit supposedly speaks, is about to name Helen as the murderer, but Wales, who sits in the thirteenth chair, is himself murdered. After Helen confesses to Inspector Donohue that Madame LaFarge is her mother, LaFarge, while conducting another séance, tricks Philip Mason into confessing to the murders.