The film begins as Gaiark Pollution Ministers attempt to break the dimensional barriers that separate the Braneworlds, 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 Samurai World (サムライワールド, Samurai Wārudo), a dimension similar to Edo Japan where power is essential. Attempting to find the missing Engine Casts.
