The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.
Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
Jack Windom experiences a sensation of awe at the reception of the Hindoo dagger from his old chum, Tom, who was traveling in India. Hanging the dagger on the wall. Jack goes out. For some time Jack has discerned a coolness in his wife, and his jealous misgivings were verified when he returned and found her in company with a stranger. Seizing the dagger from the wall he chases the recreant lover from the house and then follows the wife to the bathroom, wither she has flown in terror. Mercilessly he plunges the dagger and flies the place. The lover in hiding sees him leave and returns, and calling aid succeeds in reviving the wife, who afterwards with careful treatment recovers and marries her paramour. However, either from the baneful influence of this diabolical dagger, or the woman's capricious nature, just one year later the second husband enacts the same scene, but with fatal results.
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. His henchmen often kidnap a trained gorilla (the titular "ape") from the zoo, to aid in the schemes.
A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship and return to Mars, he will be able to start a full-scale invasion of Earth. Good thing Craig Foster sets out to thwart the Monster's mission!
Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.
Spanish coquette Tula Moliana finds herself encumbered with two husbands, and to get a divorce from the first, Senator Wakefield, she engages Jim Blake, the fiancé of Helen, the senator's daughter, to be her correspondent. Jim agrees to help her but finds himself entangled in a web of deceit and has difficulty in making excuses to Helen for the numerous adventures in which he becomes involved, especially when a jealous rival pursuing Tula threatens his life. Matters are cleared up when Helen discovers he has been victimized, and Tula accepts her first husband. This film is lost.
A police detective is caught up in a plot to steal two million dollars in bonds.
The story of Jewish financier Stephen Field and his daughter Esther. Having survived a European massacre years before that claimed his wife and son, Stephen takes immense pleasure in philanthropic work at a community service center in the U.S. while Esther entertains returning soldiers in a canteen. At the canteen, Esther meets Robert Graham, who because of a war wound suffers from fainting spells, and he falls in love with her. William Morris, a brilliant Jewish surgeon also courts Esther; and the men vie for her affection. When Graham loses control of his car due to a fainting spell suffering grave injury, Morris is the only person who can save his life.
A murderer is driven slowly insane by a sequence of coincidences and suggestive events which will not allow him to escape his own sense of guilt for his crime.
Rosalie Lane's sister dies from overwork at the Treadwell mills. Asking the company for enough money to bury her sister she is denied leading to desperate measures on her part. After many struggles she can save herself from a life of squalor and find happiness.
More Trouble
Orphan Patience Sparhawk grows up poor until she becomes the ward of the wealthy Miss Tremont. Eventually out of gratitude Patience marries Miss Tremont's nephew, Beverly Peale, out of gratitude only to discover he is a drug user, making their marriage unhappy. When Beverly is found dead from a drug overdose Patience is accused of murder, put on trial and sentenced to die in the electric chair but is saved at the eleventh hour.
Based on the autobiographical novel of the same name. Jack London has struggled with alcoholism most of his life. At age five he was instructed to bring a pail of beer to his father and drank some to prevent it spilling over, getting drunk for the first time. As an adult, he goes through cycles of abstinence only to return to hard drinking.
Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped crime boss Jim Belmont.
An expedition arrives on an uncharted jungle island to rescue the local natives, led by a jungle boy, from a volcano that is about to erupt.
Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to create a variety of disasters. Fortunately, he is thwarted repeatedly by three daring circus daredevils.
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious masked gangster and his aide.
Four heirs to a family fortune are summoned to appear at the family estate for the reading of the will, where they meet the estate's staff, which includes a nurse, a crazed doctor, and a sinister handyman.
Sally Williams (Betty Bronson) marries Donald Moore (Richard Walling) and have trials and tribulations and input from others but they demonstrate that the most successful marriages are usually based on trust and respect, rather than on sex alone. Released in the UK under the title of "The Jazz Bride".