In a world where apparent calm is merely a facade, a scientist named Joe Brody has been obsessed for years with a disaster at a nuclear power plant in Japan that changed his life forever. When his wife, also a plant worker, dies in the incident, Joe dedicates himself to investigating the mysteries surrounding the tragedy, becoming a pariah to his family and community.
Meanwhile, six decades later, his son Ford becomes an experienced Navy officer, distanced from his father's shadow. Ford's life takes an unexpected turn when he returns to Japan after receiving a call from his father, who has been arrested for trying to infiltrate the exclusion zone of the plant, still marked by the disaster. Joe is convinced that there is more at stake, and he is not wrong.
As they unravel the secrets of the plant, the Brodys soon realize that they are not alone. An ancient prehistoric being, awakened by human manipulations, threatens to unleash its fury upon the world. Amid chaos and destruction, Ford embarks on a desperate mission to save his family and the world, while battling the colossal creature that rises from the sea. The battle between man and monsters will reach epic proportions, forcing humanity to question how far they are willing to go to survive. Get ready for a colossal spectacle!