The River (2012)

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.