On Earth, an alien falls from the sky. Taking human form and the name "Sorato", he becomes interested in the "Earthlings" and attempts to understand them. As kaiju continue to appear before him, he transforms into "Ultraman Omega".
Sorato and Kosei are shaken by the truth of Sorato's past that has finally come to light. After receiving the full story from "the other Sorato," Sorato finally begins to regain his former self! However, the effects of the time of awakening continue to spread across the world. The intense struggle for survival between humanity and the kaiju is growing fiercer by the minute...!