Pete lives with his mum. His dad lives far away and, as far as Pete knows, that's all the family he has. Until one day, just before Pete turns ten, a birthday card arrives in the mail with stars on the front and signed 'Love, Grandad'. Mum reveals the card is from her own father, but when she won't give Pete more information he decides to locate this mysterious Grandad for himself. Pete visits Grandad and is thrilled to discover they share a passion...