Newhall, California. A band of Indians led by the half-breed 'The Hawk' terrorizes prospectors in a valley. When the old prospector Clyde Selby hits the mother lode, The Hawk plans to kidnap his pretty blond daughter Mary Selby. This kidnapping actually proves one of the lesser of the perils faced by the poor Mary. Laramie, a government agent, wants with the help of his friendly Shoshone Indian friends to extricate the damsel-in-distress.

When Selby arrives as the new ranch owner, he is assumed to be just another cowboy attracted to Ann Hepburn so he takes a job as a dude cowhand. He learns cattle are being rustled and he suspects the boss Sam Hepburn. But Hepburn suspects the foreman Hyslip and when he catches him with the goods, Hyslip shoots him. Hyslip then blames the new dude, and sends his men out to kill him.

Countess Vera von Conti checks into Monte Carlo. She's down to her last 10,000 francs and has fled from her husband-to-be, Prince Otto von Seibenehim. At a casino, Count Rudolph Falliere is taken by Countess Vera's beauty and persuades her into letting him stroke her hair for good luck. Because of this, Vera assumes Rudolph is a hairdresser and hires him. Rudolph in love with Vera calls her every night and sings to her. Vera also in love with Rudolph must fire him to marry the Duke -for financial reasons. One night at the opera, Vera notices Rudolph in the VIP box. She realizes he has lied to her about his social status, but, perhaps they they may marry...

Harvey Cheyne is a spoiled brat used to having his own way. When a prank goes wrong onboard an ocean liner Harvey ends up overboard and nearly drowns. Fortunately he's picked up by a fishing boat just heading out for the season. He tries to bribe the crew into returning early to collect a reward but none of them believe him. Stranded on the boat he must adapt to the ways of the fishermen and learn more about the real world.

John Carter just had one of those days. First he had an argument with a mysterious Frenchman. Then Alice wants him to pick her up at the park after she has a fight with Robert over him. So Carter takes the roadster just as Marie and Joe were getting ready to leave. But Kendall, the butler, follows the roadster as he thinks it is Joe and his girl Marie. So when Carter picks up Alice and goes out in the country to park - he is shot dead. But the next day, he is found dead in the library at home. The investigation may be run by Inspector Piper, but most of the snooping is done by Hildegarde. The Sultan's Emerald, and a picture of the Cellini Cup, may be the clue leading to Carter's killer.

Ranch owner Sandra, fresh from animal husbandry school, brings a flock of sheep into cattle country. The local ranchers don't like it, and ranch foreman Gene must deal with it.

A scientist turns himself invisible. However, the formula slowly drives him insane, causing him to terrorize the countryside as an invisible killer.

In England, Otis Madison learns from the girl that he loves, Isobel Brandon, that the man she loves is his best friend, John Geste, and so there is nothing that Otis can do but stiffen his upper lip and set sail for Morocco and tell John that he is the man that Isobel loves. This is not easy to do as John is confined to a prison for disgraced Legionaires and the people who put him there aren't overly concerned about who Isobel loves. But the resourceful John promises his love to an Arabian beauty, Zuleika, the 'Angel of Death', which gets him out of prison, and then he has to go after the evil Emir who caused him to fall into disgrace. Isobel waits patiently in England.

After his ship goes down, Edward Parker is rescued at sea. Parker gets into a fight with Captain Davies of the Apia and the Captain tosses him overboard while making a delivery to the tiny tropical island of Dr. Moreau. Parker discovers that Moreau has good reason to be so secretive on his lonely island. The doctor is a whip-cracking task master to a growing population of his own gruesome human/animal experiments. He does have one prize result, Lota the beautiful panther woman. Parker's fortunes for escape look up after his fiancée Ruth finds him with the help of fearless Captain Donohue. However, when Moreau's tribe of near-humans rises up to rebel, no one is safe...

Edwin, a taxi driver, lives with Annie, a neurasthenic model. They plan to spend Sunday at the Nikolassee beach with Wolfgang, an officer, gentleman, antiquarian, gigolo, at the moment a wine salesman. After an argument, Annie stays at home while Edwin joins Wolf. Wolf has brought along a new girlfriend, Christl. Brigitte, Christl's best friend, joins the group. Brigitte is the manager of a record shop. At the beach Wolf tries to kiss Christl but she rejects him and he turns his attentions toward Brigitte, who is more receptive. Wolf and Brigitte go off together and he seduces her. Back on the beach, Wolf and Erwin, now tired of their dates, flirt with two other women as Brigitte and Christl look on, appalled. They have small satisfaction when the men have to borrow money from them to pay for the paddle-boat they were renting. As they part at the end of the day, Brigitte hopes Wolf will see her next Sunday, but he and Erwin have other plans. The bond between the two men is the one ...