In the face of a brutal assault by the formidable Destrudos, Haruki and Ultraman Z are gravely injured. Meanwhile, STORAGE attempts a desperate, all-out attack in order to rescue Yoko, who has fallen into the enemy's clutches.
With the sudden appearance of the Four-Dimensional Monster Bullton, the STORAGE base is thrown into chaos. Time and space become warped and twisted, transforming the STORAGE base into a dimensional prison.