Matt and his family go on holiday to Florida! After their terrifying adventure in the Amazon Rainforest, it's time to relax. But, much to Mum's despair, when Matt, Jo and Dad hear rumour of long-forgotten dinosaur eggs lying in a shipwreck at the bottom of the ocean, they can't resist diving in to investigate. This should be an easy mission, but there's a storm brewing, and something about the boat in the distance is troubling Matt ...