Jean-Pierre Lentin

Mercadet, a young man, and Morin, a forty-something, meet in a brothel in India. They team up to continue their journey together. Along the way, they will meet various people.

By studying the action of drugs on the brain, scientists penetrate the workings of human consciousness. A documentary series in which we discover, in five parts, that the study of the effect of drugs helps to understand the functioning of the brain.