Three friends leading a nonprofit organisation investigate environmental crimes in the Amazon involving a major mining company.

Three idealistic friends set up Aruana, an NGO that investigates the activities of a mining company operating in the Amazon rainforest. It is a place of harsh reality where strange events occur. The activists, each one following their own investigative leads, have come up with a plethora of evidence revealing environmental crimes. While these women unravel a dangerous web of crimes and secrets, they also must deal with their own ghosts and personal dramas.