On a small island in the Pacific, the inhabitants lead a quiet life, but everything changes when a series of strange phenomena begin to occur. Seismic activity suddenly intensifies, and from within the island emerges an ancient monster, enormous and terrifying. This colossus turns out to be a kind of giant pterodactyl, a legendary creature that lands on the island's population, destroying everything in its path.
While authorities struggle to understand what is happening, a group of scientists embarks on a dangerous mission to investigate the connection between the tumultuous natural events and the flying monster. As they learn more about the monster's history, they realize that Radon, as they call it, is not just a destructive beast but also a symbol of a forgotten era that reveals itself with every flap of its wings.
With entire cities in danger and humanity on the brink of panic, a race against time begins to stop Radon before it causes an even greater disaster. In the midst of this chaos, the characters are forced to confront their own fears and desires, as tensions between science and the instinct for survival intensify. With innovative special effects for its time, the story culminates in an epic showdown that raises questions about the nature of the monster and humanity's impact on the earth. A blend of action, adventure, and reflections on existence, it leaves an echo in popular culture for decades.