Dr. Emmet Cole, adventurer and TV personality goes missing deep in the Amazon. After a string search for him, his family and friends hold a memorial service in his honor. His wife, Tess, tries to face the reality of her husband death, while her son, Lincoln, is more than ready to move on. Six months later Emmet's location beacon catches a mysterious signal. Tess and Lincoln join her and Emmet's film crew on a journey through the Amazon to find him.

With a course now plotted for their final destination, the Magus crew suddenly finds itself in complete chaos when a member of their own is shot dead, leading Jahel to call upon the spirit of the Boiúna to help, against the wishes of her father. The crew's quest is threatened further by the unknown killer, as the situation continues to spiral out of control.