A trading journey across pre-historic Europe could lead to fortune—or disaster! Two young explorers and their mentors test themselves against man and nature. Crossing seas, trekking mountains, braving rivers, they risk everything to trade for exotic goods and to master their minds in the face of danger. What happens when cannibals find you in the trackless wild? How do you get a pack full of treasure through the Alps? And if you make it home, how have you changed?