The film begins as Gaiark Pollution Ministers attempt to break the dimensional barriers that separate the Brane cosmology, recycling 13 Barbaric Machine Beasts to help them out. The Go-ongers intercept the Recycle Barbaric Machine Beast Army in their Engines, managing to scrap the 13. However, trio of mysterious warriors appear and their actions result with the Go-ongers losing the primary Engine Casts while being sucked into the Braneworld known as , a dimension similar to Edo period Japan where power is essential. Attempting to find the missing Engine Casts of Speedor, Bus-on and Bearrv while Jumboale and Carrigator work hard to keep the portal between the two worlds open, the Go-ongers pursue the Honōshū.