Jamie and Tom are night fishing and decide to visit their secret dinosaur world in the dark! As they emerge into the Triassic, they hear the night-time sounds of the prehistoric jungle. Together with their dino friend, Wanna, they set up a camp and settle down to tell scary ghost stories, but when some noisy Triassic frogs start up their mating call, it makes the boys jump! And just as they get back to their stories, a sharp-toothed Coelophysis runs past their lantern and they discover they're surrounded . . .