The mysterious three-faced insectoid being, Violenjiger dispatches the nine "Great Decepticon Generals" to acquire "Zone Energy", destroying the planet Feminia to obtain the world's store, and search for the powerful Zodiac.

Ultraman Cosmos is a calm and gentle alien of unknown origin who seeks to protect Earth. Unlike most Ultramen, Cosmos is a pacifist and prefers to resolve his disputes or disagreements by the way of peace.