Swiss environmental activist Bruno Manser tries to save the nomadic Penan tribe from deforestation in Borneo.

1984: Searching for an experience that goes deeper than the superficiality of modern civilization, Bruno Manser travels into the jungles of Borneo and finds it with the nomadic Penan tribe. It is an encounter that changes his life forever. When the existence of the Penan is threatened by relentless deforestation, Manser takes up the fight against logging with a courage and determination that makes him one of the most renowned and credible environmentalists of his time. Eventually, it costs him everything. Based on a true story.