A new Ultra Beast has appeared from the Ultra Wormholes and has started attacking trainers. When attacking them, it ends up stealing their Z-Crystals. The Ultra Guardians are tasked with stopping this Ultra Beast, Pheromosa. However, Pheromosa also appears and steals Team Rocket's Z-Crystals, but while trying to stop it Meowth falls in love with Pheromosa. Will everyone be able to stop it before it's too late?
