For decades the secret Steel Dragon society has been slowly building it's power, ready for the moment when they will strike from their hidden bases using the Hakkeshu; eight giant robots with the power to destroy entire cities. But one Hakkeshu is missing - the largest and most powerful - the Zeoraima. Before the Steel Dragon can take control of the world, the Zeoraima and it's pilot must be annihilated. Meanwhile life for the teenager Akitsu Masato is turned upside down when a shadowy government group kidnaps and imprisons him in a secluded facility. But nothing can prepare him for the discovery of his own secret past...Masato finds that his happy childhood was all a lie - born from an embryo stolen from the Steel Dragons along with the Zeoraima. His destiny is to become the machine's ultimate pilot. Faced with the whirlwind-powered Lanstar and the deadly Steel Dragon twins, Masato must tap into his hidden dark side and unleash the aggression within but can he keep control?