A group of archaeologists break into the tomb of an ancient Aztec general, arousing the warrior's head and sending his undead servant out to take revenge on the careless scientists.

In 1661 Mexico, the Baron Vitelius of Astara is sentenced to be burned alive by the Holy Inquisition of Mexico for witchcraft, necromancy, and other crimes. As he dies, the Baron swears vengeance against the descendants of the Inquisitors. 300 years later, a comet that was passing overhead on the night of the Baron's execution returns to earth, bringing with it the Baron in the form of a horrible, brain-eating monster that terrorizes the Inquisitor's descendants

California, 1848. An invading army has defeated the few opposing forces and the territory has become part of the United States. Don César de Echagüe, an old gentleman, begs his son César to return from Europe, confident that he will know how to confront the oppressor.

A young woman inherits a mansion, only to discover that it is haunted by witches and evil spirits.

Ruled by a tough grandma, the Garcías are three charro cousins who fall in love with young American-born Lupita and fight for her love until grandma quiets them.

Ruled by a tough grandma, the Garcías are three charro cousins who fall in love with young American-born Lupita and fight for her love until grandma quiets them.

Two doctors make a pact in which they swear that the first to die will return - if possible - to tell the other how to get a glimpse of the afterlife while still alive.

A pretty young Mexican girl returns to her hometown to make funeral arrangements for her beloved aunt, who has just died. Soon she begins to hear disturbing stories about the town being infested by vampires, and she eventually begins to suspect that her remaining aunt and the mysterious next-door neighbor may be involved.

Dr. Pablo, something womanizer, going to marry with Mini and cheats África, singer and his lover, telling her to wait while she is on tour in Cuba. With her, he poses as a friend industrial, Ricardo and his intention is not to see her again. While Africa is out he marries Mini, which proves to be terribly jealous. Complications ensue when Africa returns to Mexico and start searching for the fake Richard. By chance a friend of Mini will be in a beauty salon and this ensures she can take to "Ricardo" because is "a friend of her husband". A typical sitcom with a blistering pace.

In Sierra Negra, graverobbers Barraza and Mendoza steal the coffin of Count Karol de Lavud, before heading to a hospital. Barraza sees a medallion upon the coffin's opening and demands more money from Mendoza. Meanwhile, Marta González, recovering from traumatic events, works as a nurse with Dr. Saldívar. When Barraza removes the wooden stake in order to steal Lavud's medallion, the vampire returns to life and begins a crime spree, hunting down Marta to marry her.