Plot Synopsis

MURDER IN THE VALLEYS is a four-part documentary series that chronicles the biggest murder investigation in Welsh history. One night in June 1999, three generations of a family were brutally killed in the small village of Clydach, South Wales. For more than 20 years, despite the conviction of a local builder, the case has divided the community. Filmed over 12 months, as the police decide to review the evidence, this series examines a case that didn't end with the guilty verdict. And a new witness comes forward with information about this controversial murder case. MURDER IN THE VALLEYS made its U.S. debut on Tuesday, September 27, 2022 on SundanceNow, as the streaming service released all four episodes.