Independent Journalists Dril and Derek Estevez-Olsen plunge the foulest reaches of the Dark Web to pulverize society's most pressing issues with reasoned debate.

In emblematic places around the world, Frédéric Lenoir, philosopher, sociologist and writer, goes to meet those who experience a spiritual quest, both religious and secular. A pilgrimage that mixes the voices of anonymous witnesses and personalities such as the Buddhist monk Matthieu Ricard, the apneist Guillaume Néry and the astrophysicist Hubert Reeves.