For two decades, the water in Mingo County didn't look, smell, or taste right. Could it be the root of the health problems in this Appalachian community? Environmental lawyer Kevin Thompson certainly thought so. For seven years, he waged a legal battle against Massey Energy, West Virginia's most powerful coal company. Thompson would eventually uncover the ruthless shortcuts that put the community's drinking water at risk. As he dug deeper into the mystery, he was pulled into the darkest corners of Mingo County, risking his finances, his marriage, his career, and even his safety.