Follow a group of children who are evacuated to a Yorkshire village during the Second World War, where they encounter a young soldier who, like them, is far away from home.
Ordinary Anne Boonchuy, 13, finds a music box that sends her to Amphibia, a world full of frogs, toads, and giant insects. With help from Sprig, she must adjust to life in Amphibia and discover the first true friendship in her life.