Dr. Greta Karbone has succeeded in creating her very own supermonster -- the giant squid-beast Viras. But Karbone learns that what you create you cannot always control, as Viras takes over the doctor's mind. It's all part of a monstrous plan to enslave humanity -- a plan that begins in Paris, where Viras must dispose of mankind's bio-engineered guardian Gamera, the giant flying turtle! The City of Lights is about to become a city in flames!