Fred's Mum takes in an old man who has just arrived at town ¿ and his dog. Dandy follows them around and notices their strange behavior around Charly's house. It is not easy, but Dandy eventually manages to attract the attention of Fred and the gang and he finds out that the man photographs antiques and steals them to order. However, he reckoned without Dandy's detective skills! The gnomes leaning in the Agency's garden will be useful for the dog's investigation.