The boys are working at the local boxing arena where their friend, Jimmy Higgins, is boxing. During a crooked match Jimmy is killed. The boys seek out his older brother, Johnny, a former boxer who gave up the sport rather than go crooked, and help train him to get back in the ring. They try to get him a shot at the title, and when they do the same crooked gangsters that were behind Jimmy's death try to get Johnny to take a dive.

Framed for two crimes he didn't commit, and betrayed by his girl, Cliff Banks finds himself on the run from the police. Now distrustful of everyone, he finds a safe haven hiding out at a quaint country cottage under the care of a kindly old farmer and his daughter, a Cinderella-like blind woman who seems to be able to communicate with nature. There he is forced by their love to question his misanthropy.

In the Southern Mexican jungle, an adventurous archaeologist is accompanied by an equally daring female photographer in a search for a lost Toltec city. They engage a guide to lead them on their expedition, and soon find themselves in the jungle's depths, far from civilization. Soon both the guide and the archaeologist are vying for the affection of the photographer. They must all deal with enormous danger and sacrifice before their quest is complete.

Johnny Flanagan did not have the privileges of a good education or wealthy background but the streets developed his natural talent to be a great fighter. His enormous potential to reach the top is born out of a string of spectacular successes. All of which is brought to a halt when he develops a physical relationship with his manager's wife, the beautiful but manipulative Lorna. His naive temperament is no match for her callous, dispassionate scheming and he unwittingly becomes a pawn in Lorna's ultimate plan to murder her husband.

A cross-country airliner, whose passengers include a nuclear physicist, a rocket expert, and a mathematical genius, is drawn beyond radar range by an unknown, unbreakable force.

In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...

An Egyptian high priest travels to America to reclaim the bodies of ancient Egyptian princess Ananka and her living guardian mummy Kharis. Learning that Ananka's spirit has been reincarnated into another body, he kidnaps a young woman of Egyptian descent with a mysterious resemblance to the princess. However, the high priest's greedy desires cause him to lose control of the mummy...