Watch The Pleasant Valley War on sflix: One of 12 Westerns made in 12 months during 2020, ...One of 12 Westerns made in 12 months during 2020, this film tells the incredible true story of America's bloodiest family feud. Told through a combination of documentary interviews and traditional Western scenes, The Pleasant Valley War tracks the fallout between the Grahams and Tewksburys which led to a ten year battle and cost up to fifty lives.