In an epic story of bravery and conviction, an unknown Norwegian academic named Thor Heyerdahl set out to convince the scientific world that ancient mariners crossed the world’s great oceans. Heyerdahl was willing to risk his life to make his point. In 1947, in a balsa raft called the Non-Tiki, Heyerdahl and his crew embarked on one of the most daring and provocative voyages in history. Heyerdahl and his crew tell the captivating tale of their quest to solve the seafaring mysteries illustrated by actual expedition footage.