After another failed attempt at getting Pikachu from Ash & co., Team Rocket end up getting separated. Jessie and Wobbuffet end up in a river and almost drown until she is saved by a mysterious doctor called White. Jessie and Wobbuffet quickly become enamoured with White and his Wobbuffet, causing Jessie to start to think whether or not she should quit Team Rocket and spend her life with White. Will she stay with Team Rocket or will she take the jump?

Having met up with their old friend, Tierno, Ash decides to challenge him to a practice battle to prepare for his upcoming Gym battle with Clemont. During the battle, however, Team Rocket appears and kidnap Tierno's Pokémon as well as Ash's Sliggoo. When Ash & Co. finally find Team Rocket, trouble starts to break out due to a fire, and it's up to Sliggoo to help sort the situation. Will Sliggoo save the day?