When Jamie moves to Dinosaur Cove with his father hes looking forward to doing some fossil hunting on the beach. But when he & his friend Tom discover a forgotten cave with fossilised dinosaur footprints it takes them to another world.. .a world of dinosaurs. Jamie & Tom discover some fresh dinosaur footprints & decide to do some tracking. It looks as if a large herd are moving towards the river but as the boys approach the marshy area they notice some smaller footprints going a different way. They discover a baby Ankylosaurus in the mud
- its thrashing around & has sunk up to its middle. The baby dino is well & truly stuck. The boys have to find a way of saving the little Ankylosaurus. But when its mother appears will she realize theyre trying to help? Or will she come at them with her huge clubbed tail?