Sun dreams of money. Moon dreams of science. When their paths cross with Team Skull, both their plans go awry. Moon is on her way to deliver a rare Pokémon to Professor Kukui in the Alola region when she meets his good friend Sun, a courier entrusted with a special Pokédex. Sun offers to safely deliver Moon to the professor’s lab…but then they tangle with a group of grunts from Team Skull and are attacked by a mysterious Pokémon! What does the mysterious Pokémon leave in its wake…?