From the perspective of our universe: After returning to his Earth, Ultraman Z pursues a Barossa alien who stole the robot “King Joe”. But something happens and he is drawn into a strange vortex along with the alien and the robots.
From the perspective of another universe: Suddenly, a unidentified robot falls straight out of the sky! Following this strange happening, visitors begin appear one after another: An alien with a strange bird on his shoulder. Members of a mysterious defense force different from GUTS-Select. And finally… another Ultraman!?
Is this the beginning of a new battle for Trigger and GUTS-Select!?