In the murky depths of Los Angeles' world-famous La Brea Tar Pits there lies an ancient secret - a creature that, awakened by underground construction, turns a night of somber packing for Barry Greenwood and his co-workers into a desperate fight for survival.

Yusuke Godai awakens from a nap at the Pore Pore Tea Cafe and finds a scrapbook with newspaper clippings about his battles as Kuuga. As he reminisces about each fight, gaining each of his forms and the Gouram attachment for the TryChaser, Godai gets a call about a new Gurongi. Godai heads over and transforms into Kuuga to face off against the beast who introduces himself as Go-Jiino-Da!