In the year 2035, humanity discovers a giant pyramid on the planet Mars. It turns out to have been created by the ancient people of Mu, whose advanced civilization had been forgotten by Earth, and who counterattack following humanity's intrusion.

In the year 2035, humanity discovers a giant pyramid on the planet Mars. It turns out to have been created by the ancient people of Mu, whose advanced civilization had been forgotten by Earth, and who counterattack following humanity's intrusion.