"Once there was a mud puddle, and it was sleepy, it was creepy, it was deeper-than-you'd think. When something went into that mud puddle, the mud puddle didn't want to let go." So begins an adventure as a pizza delivery truck, a police car, a tow truck and a whole fleet of vehicles falls into the deep mud puddle. The rescue falls to a group of preschoolers who discover the puddle on their play yard. Children love to cheer on the preschoolers as they rescue the vehicles from the mud and then find out how much fun mud can be!