Watch Downriver (2015) HD Full Movie Free on solarmovie.do. Watch Downriver (2015) online free. Although a young man is accused of drowning a little boy and is placed in juvenile detention, he has...Although a young man is accused of drowning a little boy and is placed in juvenile detention, he has little memory of the event. Now, out on parole, he searches for answers that may give a grieving mother closure.