Mandy and her friends are trying to beat the heat by playing under the lawn sprinkler, but Rosy the piglet has found a different way to stay cool. She loves to jump into the duck pond! However, Mandy realizes that Rosy needs a mud hole of her own to cool off. Determined to help her piglet friend, Mandy sets out to create a muddy, splashy spot for Rosy to play in. Can she successfully make a special place for Rosy to beat the heat and have some fun?