In this scandalous political thriller, an investigation into a chemical spill spirals into an indictment of the entire system meant to protect drinking water, revealing cover-ups at the highest levels of government.In this classic detective story, investigative filmmaker Cullen Hoback travels to West Virginia to uncover the truth behind a massive chemical spill that left 300,000 people without drinking water for months. But when Hoback discovers an obscene collusion between chemical corporations and the highest levels of government, the investigation spirals in a terrifying direction, and we learn the frightening truth about what lies upstream of us all.