Taking place 10 years after the Go-Onger fought the Gaiark, unprecedented peace has come to the Human World thanks to The Minister of Defense Noizumi's Isolation Barrier. But because of this, it severed the connections between the Go-Ongers and the Engines. Plus, due to the Sentai Activity Ban Law, the Go-Ongers are labelled as terrorists! Amidst that, a mysterious young boy named Souji appears to them with BeaRV's Engine Cast. Sosuke / Go-On Red and the rest save him as he was being pursued by the special police. For some reason, one standing in their way is Saki / Go-On Yellow, who parted ways with the Go-Ongers and has become part of the governments public relations office. The major incident will drag the world in and how will it involve the fate of the Go-Ongers?!
The Gaiark Pollution Ministers begin setting up their plan break the dimensional barriers that separate the Braneworlds in order to create their Gaiark haven, setting up the opening sequences for the actual movie. However, while the Go-ongers are trapped in Samurai World, the Ministers attempt to take advantage of the event by subduing Bomper, who battles them personally when they attempt to set a trap for the Go-ongers as they return to their dimension.
The Barbaric Machine Clan “Gaiark” was exiled from the Machine World by the Engines, who are huge machines that have their own will. With the exile, the Gaiark switched their target to the world of humans and attacked to pollute the Earth in order to make it more habitable for them. This is when three young individuals with hearts of justice stand up as Go-Ongers.