Ultraman Zero, who has a history with Belial, shows up while Geed is in the middle of a battle. However, he notices the latter's appearance only after driving the enemy away.
Leito's desperation to keep the others safe triggers a miracle that is bound to provide Ultraman Geed a much-needed boost against Kei and his Galactron in a deadly battle.
Kei sets in motion a chain of sinister events to compel Ultraman Zero to make a big sacrifice. With several lives at risk, Geed finds himself in a position of disadvantage.