The Amazon rainforest is today a vast laboratory for sustainable experiments that are unveiling new relationships among human beings, corporations and this natural heritage that is crucial for life on the planet. This is where the guidelines are being drawn up for a new global economic model: the green economy. But how much are the services really worth, rendered to humankind by this invisible commodity? And who should profit from this? Seeking for replies, this film showcases successful initiatives, exploring possibilities with specialists and plunging into a sensorial journey through the daily lives of these rainforest dwellers.