Drama telling the story of 15-year-old Lauren, whose father mysteriously disappeared on a fossil expedition. Lauren must protect Eno, an intelligent dinosaur, from the dangerous Diggers - dinosaurs that are hunting Eno and trying to kill him - and from the mysterious palaeontologist Dr Clive Aikens, who is trying to track down Eno for his own purposes. Dr Aikens wants to use Eno as bait to destroy the dinosaurs as they emerge from their caves and the Diggers are buried in an avalanche.