CodeofSilenceintroducesustoDeafcateringworker, AlisonWoods.She’sstrugglingtomakeendsmeet, jugglingtwojobs, inapolicecanteenandalocalbar, whilealsodoingherbesttosupportherDeafmum, Julie.WhenDCAshleighFranciscallsonAlisontolipreadtheconversationsofsomedangerouscriminals, sheisplungedintoanewandexhilaratingworld.Alison’sinterpretationofthegang'sclandestinemeetingsquicklybecomekeytounlockingthepoliceinvestigation.ButAlison'sfeelingsaboutthecasebecomecomplicatedwhenshefindsherselfdrawntoLiam, oneofthemainsuspects.Alisonknowsshe'sputtingherselfatriskbyagreeingtoworkwiththepolice, andwhenthingsthreatentospilloverintoherpersonallife, sheknowssheshouldstepaway.ButAlisoncan’tletgo…