Leo San Juan, an insecure child of nine years old, lives eternally frightened by horror stories that Nando tells his older brother. Within these stories it is 'The Legend of Nahuala', according to which, an old abandoned Casona is possessed by the spirit of an evil witch known as the Nahuala.

Three friends confront a horde of mummies, who have inexplicably awakened, and try to rescue their pal, not realizing they have fallen into a trap.

Based on a famous Mexican legend, a group of kids must stop the ghost of a woman whose guilt over the drowning of her own children leads her to abduct youngsters who wander the woods at night.

Leo San Juan and his team of "ghostbusters" continue with their adventures, this time fighting against the mexican monster himself: "El Chupacabras".

After releasing the Chupacabras, Leo San Juan decides that it is time to return together with his brother Nando to his grandmother's house. Halfway down the road, Charro Negro manages to confuse Leo and because of him, an innocent girl is dragged into the underworld. Leo is forced to repair the damage. Your friends will come to try to help you and get out of there as soon as possible. But it is no coincidence that the Charro has chosen to involve Leo, his intentions go beyond getting a new soul.

When a human baby crosses the Eternal Mirror, the portal between the living and the death opens its path to the beings from the underworld.

Five years after giving up his powers and separating from his friends, Leo San Juan has started a new life trying to focus on his family and their bakery, staying away from danger and adventures. However, Leo knows that his plans are rarely fulfilled and this time is no exception: while traveling with Nando to Veracruz, things start to get weird, and from the depths of the Tuxtlas jungle, an ancient curse has returned and only Leo can face it.