The theory of evolution, which until today has revolutionized science and men, sprouts in the head of the young Charles Darwin during his great journey around the world aboard the Beagle.When he embarks, on December 26, 1831, at the age of 22, the young Darwin comes out of studies of theology, he departs to study the botany and providential origin of creation. But gradually, over the months and countries crossed, he realizes that man, restored to his place among other living creatures, could only be the result of a process of adaptation age of several million years. Mixing living paintings with analyses of the best current specialists of the scientist - James Moore, Janet Browne, Peter and Rosemary Grant...- "The great journey of Darwin" leads the spectator in his wake to rediscover the world as Darwin has seen and understood it.