When Jerry,Jimmy and Cathy discover a tunnel that leads to a castle,they pretend that it is enchanted.But when they discover a Sleeping Princess at the centre of a maze,astonishing things begin to happen.Amongst a horde of jewels they discover a ring that grants wishes.But wishes granted are not always wishes wanted,so the children find themselves grappling with invisibility,dinosaurs,a ghost and the fearsome Ugli-Wuglies before all is resolved.