Jurassic Cops, who was defeated in the resurrected Desvarian as a whole, loses its former form and barely survives in a small form.
After that, Jurassic Cops, who struggled in the confrontation with the Desvarian, gained new power through friendship with Gongchan and a sense of duty, and merged into the giant robot Juracing.
Meanwhile, in order to defeat the Desvarians who are trying to maximize their power through the Oparts scattered all over the Earth, the Juracing summons a weapon with tremendous abilities to face the Desvarians. Will the Juracing be able to protect the Earth from the Deathvarians who rush towards the moon where the last opports are hidden?
There is a strange feeling around Earth and Triforce just before the completion of the world's first mechanimal, Disc Cannon. Black Mirror who was thought to be dead, has revived and is seeking revenge. He turns all the mechanimals into Black Mechanimals and starts to destroy the world. The tamers start preparing for the final battle in the most dangerous of times...