Michael and his family have just moved house which is not in great condition. He has a baby sister who is very sick and has to go to hospital. There is a garage or shed around the back with a mystical creature inside. For months he and his new friend Mina feed he and at one stage move him to Mina's garage so he is kept safe. Michael is enjoying his time with Mina until he is caught-out by his best mates Leeky and Coot. Skellig grows strong and flys away after heling Micheals babys sister who is eventually called Joy.