Kagura Genki, a member of the HEART unit, barely survives a meteorite impact; a strange noise echoes from a mining site, and he moves to investigate; he finds a rock at the site, but before his very eyes, it begins to move about.

Monsters are appearing near the North and South Poles, and one of the revived monster heads for Tokyo; a TV station crew risks their lives to report on the situation, but their gamble goes sour.

Hino thwarts a monster's sudden attack; he's riding high, but then makes a big mistake in the next mission; just as Hino is reeling from the error, two giant monsters launch a merciless attack.