Recognizing the power of its captive giant Ape, the military makes its own battle-ready A.I., Mecha Ape. But its first test goes horribly wrong, leaving the military no choice but to release the imprisoned giant ape to stop the robot.

Jake Pentecost, son of Stacker Pentecost, reunites with Mako Mori to lead a new generation of Jaeger pilots, including rival Lambert and 15-year-old hacker Amara, against a new Kaiju threat.