Ash, Misty and Brock run into a local shopkeeper who introduces them to one of their friends, a jewelry maker who tells them the legend of the fourth Whirl Island.

With the young Lugia in the possession of Butch and Cassidy, Ash and friends set about rescuing it while protecting its parent from itself. The parent Lugia fights desperately to free its child, playing right into Team Rocket's hands. Will Ash and friends be able to save the two Lugia?