Ash, Misty and Tracey are on Mandarin Island where Ash has just won three battles in a row. But, he finally meets his match when they run into, Prima, one of the very best trainers on the Orange Islands. Misty is thrilled to meet her hero because she also trains water-type Pokémon, but, it's Ash who learns a very valuable lesson from this trainer who also sets him on course for a chance at another Orange League badge!