Four gigantic warriors locked in a titanic combat will decide the fate of Planet Earth. The Warriors of Darkness have returned. Their mission is to rid the world of the menace known as mankind. Agent Daigo, of the Global Unlimited Task Squad, once uses the ancient power and transforms himself into Ultraman Tiga, a twenty storey tall warrior with muscles of hardened steel. Has Ultraman Tiga become a Warrior of Darkness?
