PartOne:Itstartswithaping.WhatunravelsisafrighteningcampaignofharassmentwhichthreatenstotearapartthelivesofyoungwomenfromacrosstheUK.Desperateforittostop,theysearchforanswers.PartTwo:AshockrevelationtakestheinvestigationtoasmalltowninCheshire.Askeyevidencemounts,onepoliceofficerisdeterminedtobringthesuspecttojustice.