In the not so distant future, alien creatures kown as Space Beast are threatening humanity. An organization, TLT, was formed to combat the Beast threatening humanity.
It becomes clear that even the officers of TLT have had their memories tampered with, specifically regarding an incident in Shinjuku five years ago involving Ultraman and the Space Beast.
With the drug that could save Ren's life on it's way to Japan, Komon begins to suspect that TLT intends to perform dangerous experiments on its young friend.