In the beginning of the movie, 20 years ago, on the moon, the 4 Ultra brothers, Ultraman, Seven, Jack, and Ace were fighting a deadly foe known as Yapool, a monster that was several times their size.

While the Subordinate weeped, Mirai informed him that Ryu was alive, saved by the power of Ultraman King. He revealed that after Alien Emperor's defeat, Armored Darkness had been known for some ...