While he's fishing at sea, Peppy discovers a wounded dolphin. He names it Socks. He brings it back to the Big Island where Doctor Button takes care of the animal.
Lulu and her friends are thrilled. Daddycat is going to leave them for a whole day on Paradise Island. Peppy discovers the island's Floriana fair made up of amusing plants.
While Daddycat is away, Peppy and Lulu have to spend a week at Pipa's house. The problem is that Pipa is a real pain who's even worse at home than she is at school.
Frustrated because he didn't skate as well as his friends, Peppy decides to climb Mount Jirojiro and find the Rose spring to bring back flavored ices to everyone.
In the Wonderlee Islands, when a child loses a tooth, they must bury it on the beach and wait for Pinchnose the Crab to replace it with a fantastic gift.