World peace is abruptly threatened when the sea‑bottom entity Mogool rises. Helqeen, the tyrannical ruler of the Mogoolian Empire, seeks to conquer Earth alongside her loyal companions Goroskie and Zan‑gack. To thwart their plans, Dr. Yuri, who had foreseen this disaster, assembles the Blocker Corps, a team of four powerful robots. He also recruits four individuals possessing the extraordinary ability called “elepath,” the talent for piloting these gigantic machines. A fierce battle erupts between the Blocker Corps and Mogool, with the team risking everything. The series unfolds a sequence of spectacular and thrilling battles.