 When James  Chimecho falls ill, he brings it to his old mansion to recover. May s Munchlax is also sick and an old man and woman bring it to the same mansion Team Rocket is at. Jessie and Meowth then decide to steal all the Pokémon in the garden while the others are taking care of Chimecho and Munchlax... Afterwards, James is force to leave Chimecho behind so it can recover..