As a school assignment, Lola has to take care of an extremely rare caterpillar. But the caterpillar takes the Guanos' fancy, who have fantasies about it sizzling on a BBQ. What's more, Hoodie takes a shine to the caterpillar and starts playing with it. But when the caterpillar disappears, Lola panics. Pat however has been keeping a close watch on proceedings and has to face the fearsome pigeon triad in a bone-shattering showdown. Pat finally manages to return the precious insect to his beloved best friend, after it has transformed into a beautiful butterfly.