Things are not looking good. Samuel and Anna fail in their fossil mission and Norus is weaker than ever. Thieves are stealing more fossils and if they aren’t stopped, Norus could fade away forever. To try restore Norus’s strength, Samuel and Anna throw themselves into greater danger. They travel across two timelines to face savage new predators from both land and sea – carnivorous theropods, a mosasaur and giant Ginsu sharks! Will they survive this time?