Tom and Geoff find themselves stranded when Mr Evans' dog whistle inadvertently sends Aquila back home on its own.
Mr Evans claims to have photographs of Tom and Geoff in Aquila, so the boys visit him to try to prevent him from publishing them. They find themselves stranded when Mr Evans' dog whistle inadvertently sends Aquila back home on its own. Meanwhile, Mrs Baxter realizes that the boys have been ignoring Dunstan and worries about how Alan will react when he finds out.—Phil G