SarahLancashirereturnsintheacclaimedBBCthrillerwrittenbySallyWainwright.No-nonsensepolicesergeantCatherineCawoodisbackheadingupherteamofdedicatedpoliceofficersintheCalderValleyinWestYorkshire.Whileonduty,shemakesagruesomediscovery–abody.Thevictim’sinjuriesbearastrikingsimilaritytoastringofothermurdersoverthepreviousfe..ccc