Four Frightened People

Rock and Dr. Andrea travel up the Amazon to find out why the plantation workers have left their work in panic, allegedly because of attacks from Curucu, a monster who is said to live up the river where no white man has ever been before...

A doctor hunts a vicious, man-eating tiger that terrorizes a native jungle village. In time the doctor experiences a personal change when he accepts their native customs and beliefs.

When a well-known environmental researcher is murdered in the Amazon jungle, an arrogant photojournalist joins forces with a beautiful young activist to find out who is responsible. Along they way, they fall in love as they discover the men responsible for the killing would be more than willing to murder again if it will keep them quiet.

The friendship between two orphans endures even though they grow up on opposite sides of the law and fall in love with the same woman.

A woman returning to her island birthplace finds herself drawn to a voodoo cult.

While on a ship to Skagway, Alaska, Duke and Chester find a map to a secret gold mine, which had been 'stolen' by thugs. In Alaska to recover her father's map, Sal Van Hoyden falls in with Ace Larson, who secretly wants to steal the gold mine for himself. Duke, Chester, the thugs, Ace and his henchman chase each other all over the countryside—for the map.

Rose Manning swears revenge for the unjust slaying of her father by Inspector McArthur. Five years later, as a nightclub hostess, she is sought by Chuck Gaines, secretly a bootlegger, but she centers her attentions on young Jimmy Carter, who, she learns, is the son of McArthur.

A pirate ship, fighting in 1588 on the side of the Spanish Armada, suffers damage and must put into a village on the British coast for repairs. The village is small and isolated and the Spanish convince the villagers that the English fleet has been defeated and that they, the Spanish, are now their masters. This results in the villagers' sullen cooperation, but rumors and unrest begin to spread and soon the Spanish pirates find themselves facing a revolt.

While holidaying in Ireland, a pregnant children's author finds her mental state becoming increasingly unstable, resulting in paranoia, hallucinations, and visions of a doppelgänger.

Movie actress Linda Winters has gone into the jungle to find her lost husband Fred. Bomba the Jungle Boy helps in the rescue effort. A major obstacle facing them is a killer leopard which specializes in tearing people limb from limb.

When two troublemaking female prisoners (one a revolutionary, the other a former harem-girl) can't seem to get along, they are chained together and extradited for safekeeping. The women, still chained together, stumble, stab, and cat-fight their way across the wilderness, igniting a bloody shootout between gangsters and a group of revolutionaries.

A group of adventurers head to a primitive tribe in Africa to find a treasure of diamonds and a beautiful white girl who was lost years ago and was made the tribe's goddess.

A World War I veteran’s dreams of becoming a master architect evaporate in the cold light of economic realities. Things get even worse when he’s falsely convicted of a crime and sent to work on a chain gang.

A mobster's daughter leads her boyfriend from the circus into bootlegging.

Bootlegger/cafe owner, Johnny Franks recruits crude working man Scorpio to join his gang, masterminded by crooked criminal defense lawyer Newton. Scorpio eventually takes over Frank's operation, beats a rival gang, becomes wealthy, and dominates the city for several years until a secret group of six masked businessmen have him prosecuted and sent to the electric chair.

A circus owner and a lady trapper trek into the African jungle to capture a giant gorilla for his circus.