A mysterious fossil of intact form, discovered for the first time on the Korean Peninsula. Dr. Lee Yun-nam, South Korea's first dinosaur doctor and a world authority on dinosaurs, names it 'Dino X'. The international dinosaur exploration team, led by Dr. Lee Yun-nam, embarks on an expedition to the vast Gobi Desert, known as a treasure trove of dinosaur fossils, to uncover the secret of 'Dino X', a mysterious dinosaur that lived on the Korean Peninsula 100 million years ago, and the 'Dino X Expedition' slowly begins to face the reality of 'Dino X'...