When Godzilla returns to Earth, he must face off against a powerful alien race known as the Exif. As humanity struggles to survive, a young man teams up with an ancient alien monster, King Ghidorah, to try and save the planet.

In the 20,000 years since Godzilla took over the Earth, humanity has been forced to abandon the planet and seek refuge elsewhere in the universe. Now, they are finally returning to reclaim their home, but they must face the deadly threats of Godzilla and other giant monsters that have evolved during their absence.

In the sequel to Godzilla: Planet of the Monsters, the human soldiers and their humanoid alien allies return to Earth to take on the giant monster once again. As they enter the dangerous city, they face various challenges and encounter new threats. Can they save humanity and defeat Godzilla?