With the spell over Ash finally broken, Ash and co. continue to Blackthorn City, however (as usual) they get lost again. They soon encounter Team Rocket who captures Pikachu. They get away but Pikachu is severly drained. They soon meet a girl named Krystal who tells them of a lake nearby that must be kept secret. This lake has the power to recharge electric type Pokémon, such as Pikachu. What is the secret to this power and why does Krystal want to keep it under wraps?