Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.
As humanity picks up the pieces, following the conclusion of "Transformers: Dark of the Moon," Autobots and Decepticons have all but vanished from the face of the planet. However, a group of powerful, ingenious businessman and scientists attempt to learn from past Transformer incursions and push the boundaries of technology beyond what they can control - all while an ancient, powerful Transformer menace sets Earth in his cross-hairs.
In a violent, near-apocalyptic Detroit, evil corporation Omni Consumer Products wins a contract from the city government to privatize the police force. To test their crime-eradicating cyborgs, the company leads street cop Alex Murphy into an armed confrontation with crime lord Boddicker so they can use his body to support their untested RoboCop prototype. But when RoboCop learns of the company's nefarious plans, he turns on his masters.
It has been ten years since The Battle of the Breach and the oceans are still, but restless. Vindicated by the victory at the Breach, the Jaeger program has evolved into the most powerful global defense force in human history. The PPDC now calls upon the best and brightest to rise up and become the next generation of heroes when the Kaiju threat returns.
A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.
The Autobots continue to work for NEST, now no longer in secret. But after discovering a strange artifact during a mission in Chernobyl, it becomes apparent to Optimus Prime that the United States government has been less than forthright with them.
JSDF pilot Akane has a fateful encounter when a new Godzilla emerges in Tateyama. As a countermeasure, a cyborg named Kiryu is constructed from the remains of the original. The machine is discovered to harbor the restless soul of the original monster as Akane must learn to find value in her own life as well.
Mothra and her fairies return to Japan to warn mankind that they must return Kiryu to the sea, for the dead must not be disturbed. However Godzilla has survived to menace Japan leaving Kiryu as the nation's only defense.
In search of a new energy source, Russia accidentally reawakens the Kolossus - a giant robot doomsday device from the Cold War. At the same time, a new Mega Shark appears, threatening global security.
When huge bio-mechanical monsters descend upon the earth ready to destroy the entire city of Los Angeles, a whole new team of top notch "M-bot" pilots take control of their supercharged robot warriors and try to save the world from being reduced to rubble
When an alien race invades and begins to brainwash humans to carry out acts of destruction, the rest of humanity must rely on an untested giant robot to save the Earth.