In Borneo, on the edge of the tropical forest, Kéria takes in Oshi, a baby orangutan found in the oil palm plantation where her father works. At the same time Selaï, her cousin, comes to take refuge with them to escape the conflict that opposes his nomadic family to the forestry companies. Together, Kéria, Selaï and Oshi will brave all obstacles to fight against the destruction of their ancestral forest, seriously threatened.