In the process of extracting oil at the drilling station in Gambridge, the Core Force receives a shock and the sealed Absolute Evil, Rout, wakes up. This accident creates the Mix Zone between Gambridge and Atreia and it is an omen that the world is going to collapse! The elders of Atreia send out the Master Hench to Gambridge to find four Mix Masters to save the world from this crisis.
