The evil scientist Dr. Caronte plots to revive the brains of three dead scientists and use them to obtain the formula for the super-powerful neutron bomb. The resulting creation needs blood lots of blood, sending Caronte's midget assistant Nick and his legion of mutant monsters out to get fresh victims. However, the masked atom-superman Neutron vows to put a stop to Caronte's deeds.

A soap opera actor is mixed in a real drama very similar to what he represents in his work.

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.

Jake Remy leads a gang of outlaw cutthroats making their escape toward Mexico from a successful robbery. Barring their way is a river--crossable only by means of a ferry barge. The barge operator, Travis, refuses to be bullied into providing transport for the gang and escapes across river with most of the local populace--leaving Remy and his gang behind, desperately seeking a way across. A river-wide stand-off begins between the gang and the townspeople, both groups of which have left people on the wrong side of the river.

In 1869, the United States begins a railroad mail service to the West Coast which proves highly tempting to train robbers, in particular an organized gang with one of the mail's supposed guardians in their pay. Prizefighter Steve Davis, a former army intelligence man, is hired to track down the gang and save the Territorial Mail Service. Steve goes undercover in territorial prison, leans Morse Code from a fellow prisoner, breaks jail, infiltrates the gang...and finds time to romance dance-hall singer Mary, who proves to have hidden depths...

When his family is murdered, Johnny gets revenge on his former biker gang, The Slaves, and the police who lied to the gang about Johnny selling them out to the authorities.

Antonio dives for sponges which are sold by his sweetheart Rossana. One day, the escaped prisoner José-Luis appears and is hid by his friend Antonio. Although José-Luis does not want to betray his friend, a love affair with tragic consequences between him and Rossana develops. The Net was one of Mexico's entries at the 1953 Cannes Film Festival.

In a whorehouse in Acapulco, lives Leonor, a young and beautiful woman who is awaiting to reunite with an old lover. Suddenly, the man reappears to take her away from her life of vice. But the debt owed by Leonor to the "Madame" of the house causes a series of conflicts.

After a group of violent lepers escapes from a sanitarium, - robbing several farms, residents of the town demand the the sheriff - take action. Meanwhile, a local criminal joins forces with the lepers - to commit even more robberies. As the disfigured madmen keep the - entire town indoors with its reign of terror, the sheriff has no - choice but to call on the only man who can help--legendary wrestling - superhero, Santo!

Masked luchador "Santo" fights against an evil doctor and his zombie army.