The barriers between realities have been breached! With their leader missing, the AUTOBOTS follow strange readings to California, trailed closely by the DECEPTICONS. There they are confronted by an ominous new warrior, who deals devastating blows to both factions. This dark villain has his sights on the MINI-CON OVER -RUN, and the object he possesses: a powerful artifact called...the MATRIX! Meanwhile, trapped on the battle-ravaged planet CYBERTRON, OPTIMUS PRIME recieves a dire warning of approaching chaos...