电影Sarah Lanc ashire return s in the acclaime d BBC thri ller written by Sally Wai nwright. No-nonsense pol ice serg eant Catherine Cawood is bac k heading up her tea m of dedic ated po lice of ficers in the C alder Valley i n West Yorkshi re. While on duty, she make s a grue some discov ery – a bo dy. The victim’ s injuri es bear a striking s imilarity to a string of other murde rs over the p revious fe...！