Godzilla King of the Monsters Five years after the existence of ” Titans” was revealed to the world the scientist the Dr. Emma Russell, a paleobiologist employed by the Titan-studying organisation Monarch, and daughter Madison witness the birth of a larva called Mothra. Emma calms Mothra using the “Orca,” a device that can emit frequencies to attract or alter Titan behaviour. A group of eco-terrorists who are headed by former British Army Colonel Alan Jonah, attacks the base and abducts Emma as well as Madison. In the meantime, Mothra flees and hides under the water of a nearby waterfall.
Monarch scientist Dr. Ishiro Serizawa and Dr. Vivienne Graham approach former employee Dr. Mark Russell, Emma’s ex-husband and Madison’s father to assist in locating them. Mark initially refuses because of his dislike of Godzilla whom is believed to be responsible for his son’s tragic death during the events in San Francisco. But Mark eventually caves in. The Monarch team follows Godzilla to Antarctica, where Jonah is planning to liberate the three-headed Titan codenamed “Monster Zero.” Emma releases and awakens Monster Zero, who battles Godzilla and devours Graham and escapes. Afterward, the team learns Emma is working with terrorists. From the Monarch bunker in Boston, Emma makes contact with Monarch and argues that the Titans are needed to awaken to save the Earth from the damage that humankind has caused.
Emma awakes Rodan from Mexico and the Monarch team lures him to Monster Zero. Godzilla is captured by Rodan and cuts off his left ear following Rodan defeats him. In the course of the battle, U.S. Navy deploys a test weapon known as the “Oxygen Destroyer” apparently killing Godzilla. Monster Zero, unaffected, regenerates his head and awakens all other dormant Titans all over the world. Rodan agrees to his ruling. As a result, Madison refuses to marry Emma.
Through mythological texts and mythological texts, Dr. Ilene Chen discovers that Monster Zero is King Ghidorah, a prehistoric alien looking to change the Earth. Mothra emerged from her cocoon and flew into Monarch’s Bermuda base in order to communicate with Godzilla who is recuperating in an underwater city that is a long time ago. The team discovers Godzilla’s submarine hiding place within the sub-sea. It’s highly radioactive. The team decides that Godzilla cannot be capable of healing himself by himself, so they decide to use an nuke warhead to accelerate the process. Serizawa commits a self-sacrificing act by manually detonating warheads, which results in the rebirth of Godzilla and increasing his power.
Emma realizes that the devastation Ghidorah and other Titans will cause to this world is far worse than anything humans could inflict, but Jonah ignores her pleas to stop. Madison overhears this and steals the Orca. Arriving at Fenway Park, Madison broadcasts a frequency that soothes the Titans but unwittingly attracts everyone else to her place. Ghidorah arrives in Boston to kill the Orca. Godzilla arrives to confront the monster in battle, with Monarch personnel’s aid. After learning that Godzilla’s radiation levels have increased, Mark leads a team of rescuers to help Madison and flee the city. Mothra is on the scene to assist Godzilla but is stopped by Rodan; she defeats him but suffers injuries in the process.
Ghidorah is defeated by Godzilla and plans to kill Godzilla and plans to kill him. But Mothra gives up her life and sends her energy to Godzilla. Mark, Emma, and Madison are reunited , and they reactivate the Orca to attract Ghidorah away from Godzilla. Emma is willing to sacrifice herself to lead Ghidorah away, allowing Mark, Madison, and the Monarch team time to escape. Godzilla is now in a stronger state and defeats Ghidorah. Rodan and the other Titans become Godzilla’s ally and bow to.
During the ending credits, news clippings and Monarch public files reveal that the Titans help to save the planet. a suspected second Mothra egg is discovered, and some of the Titans are converging on Skull Island. shows ancient cave paintings depicting Godzilla fighting with Kong-like Titans. The post credit scene depicts Jonah and his troops purchasing Ghidorah’s severed skull from Mexico.