Linny, Tuck, and Ming-Ming try to help an inchworm understand what is going on when he friend, the caterpillar, starts his journey into becoming a butterfly. They also rescue a baby crane who is stuck in his nest too close to a volcano.
When no pets need to be saved Ming-Ming goes out in search of pets to rescue and soon learns that she is the one who needs to be rescued. The pets must save a kitten who is floating on a piece of drift wood in Italy.
Linny, Tuck, and Ming-Ming travel to Oklahoma and try to save a calf that was thrown into a tree by a tornado. Next, the pets save a skunk from a thorny rosebush with the help of Ollie the bunny who is a visiting school pet.