It is the dawn of the 21st century, and the planet has been rocked by a series natural catastrophes - the handiwork of Shizuru Ozaki. But Ozaki aspires to something greater than mere mortality - even if that means destroying the Earth to attain it. One man, however, has the power to stop him. Armed with the Caizer Stone, Isato Kaiza transforms into the armoured hero, Gowcaizer!