Ash and friends come across a girl name Mariah and her pokemon Hoppip. Mariah uses her pokemon to forecast the weather. A brutal storm is heading their way and they must take cover before anything bad happens, but that's not so easy with the all of the pokemon that they must keep safe.

Ash and friends meet up with Mary, a young girl who helps her parents operate a Mareep farm. She wants to enter the tournament in the upcoming Mareep Festival, but her mother does not want her to because she thinks she is not ready. Mary sets out to prove that she is ready for it and Ash, Misty, and Brock decide to help her.