Ash & co. have come to the Altar of the Sunne in the hope of summoning Solgaleo to go to Ultra Space to rescue Lusamine. However, when they reach the altar, they find Tapu Koko, Tapu Lele, Tapu Bulu and Tapu Fini who seem to intend to help. After doing a ceremony, Nebby starts to glow once more and evolves into Solgaleo. Will it be able to help out?