In the not-so-distant future, Earth is threatened by the emergence of an alien monster named Gilon, a fearsome being with devastating abilities that has come from a distant planet. Gilon, thirsting for destruction, has a terrible purpose: to conquer Earth and eliminate all living beings that stand in his way. However, humanity is not willing to give up so easily.
Amidst the chaos, Japan's legendary guardian, a giant turtle named Gamera, emerges to confront this new threat. As the two titans engage in epic, action-packed battles, a group of intrepid children becomes unexpected allies for Gamera. They are the only ones who know Gilon's weak point and use their ingenuity to help the giant creature and save their world.
The confrontation culminates in an astonishing duel in a breathtaking city, where Gamera must summon all his powers to defeat Gilon, who will stop at nothing to achieve his ambition. In this fierce struggle between good and evil, the children of Earth learn about bravery, friendship, and the power of hope. With special effects of the era that are a true spectacle, this movie is not only a visual feast but also a lesson in unity and the fight for what is right. Get ready to witness a monumental battle!