A group of malevolent robots, known as the Destronger, invade a world exposition in New York City and abduct a renowned scientist, Professor Onishi, highlighting their presence. In a bid to rescue his father and protect Earth from the wrath of the vengeful Gigatron and his army, Yuuki, the professor's son, joins forces with the heroic Cybertron army and Fire Convoy, determined to succeed in their mission.