Despite attempts to suppress the news it becomes clear that the Martians visited Earth millions of years ... were sent by their corrupt government to invade our world and save their dying planet.

In this Mexican sci-fi fantasy, big beefy Martians invade the earth. Ostensibly, they have come to warn people about the dangers of nuclear testing and exploring space, but their real mission ...

Worried that their children have become obsessed with television shows from Earth which extol the virtues of Santa Claus, Martians begin an expedition to Earth to kidnap the one and only Santa Claus.