Kirsty Tate and Rachel Walker volunteer at the Wild Woods Nature Reserve, delighting in meeting adorable baby animals and befriending the Animal Rescue Fairies. But when Jack Frost decides he wants those young creatures for his own private zoo, he makes off with the fairies’ magical key rings—threatening to lock the babies inside the Ice Lord’s zoo forever. Can Kirsty and Rachel recover the keys and set the animals free before it’s too late?