King of Monsters: Rebirth of Godzilla

While out to sea, several Japanese merchant ships are mysteriously destroyed in the Pacific Ocean. Most of the crews are lost in the incidents, but a few manage to reach the nearby Odo Island before dying of radiation poisoning. An investigation is then launched to the island to uncover what could have caused the destruction of the vessels. Once there, the research team begins to hear of the local legends that speak of a giant monster that the natives have dubbed Godzilla. Exploring the surrounding area, the team and everyone in the village soon learn the truth, as the creature is quite real and is apparently a dinosaur awakened and mutated by nuclear tests. Shortly afterwards, Godzilla leaves the vicinity of Odo Island and makes his way to Japan. Arriving in Tokyo, the monster manages to destroy the entire city as the attempts of the self defense force prove futile. Godzilla then retreats back into the water, leaving the city in ruins with thousands of people left dead or dying. Witnessing the destruction, a scientist by the name of Daisuke Serizawa is reluctantly convinced by his fiance Emiko to use a weapon the doctor had created. Called the Oxygen Destroyer, the device is capable of splitting oxygen atoms into a fluid before disintegrating the molecules, allowing it to completely wipe out exposed forms of life. Destroying all of his notes to ensure the device is never recreated, the doctor insists upon being the one to use the Oxygen Destroyer against Godzilla. The plan ends up being a success, as Godzilla is disintegrated while underwater, but Serizawa also commits suicide to seal the device's fate and ensure it may never be created again.