该片根据伊恩·麦克尤恩的同名小说改编，故事讲述原本幸福生活着的儿童文学作家斯蒂芬·刘易斯，因女儿的走失，自己消极度日，变得和妻子渐行渐远。直到第二个孩子的降临才逐渐化解了夫妻隔阂。

　　DanielMays(LineOfDuty,RogueOne:AStarWarsStory,PublicEnemies)starsinBBCTwo'spowerfulfactualdramaasPeterWildeblood,athoughtfulandprivategayjournalistwhoseloverEddieMcNally(playedbynewcomertotelevision,RichardGadd),underpressurefromtheauthorities,turnedQueen'sevidenceagainsthiminoneofthemostexplosivecourtcasesofthe1950s-theinfamousMontaguTrial.
　　Morethantenyearsbeforethedecriminalisationofhomosexualactsin1967,PeterWildeblood,andhisfriendsLordMontagu(MarkEdel-Hunt)andMichaelPitt-Rivers,werefoundguiltyofhomosexualoffencesandjailed.
　　Withhiscareerintattersandhisprivatelifepainfullyexposed,Wildebloodbeganhissentenceabrokenman,butheemergedfromWormwoodScrubsayearlaterdeterminedtodoallhecouldtochangethewaythesedraconianlawsagainsthomosexualityimpactedonthelivesofmenlikehim.
　　Danielsays:「I'mincrediblyproudtobepartofadramathattellssuchanimportantreal-lifestory.PeterWildebloodisafascinating,complex,yetflawedcharacterfromatimewhenbeingagaymaninBritainwasincrediblydifficult-Ican'twaittobringhistaletolifefortheBBCTwoaudience.」
　　PatrickHolland,ChannelEditor,BBCTwo,said:「50yearsago,itwasacrimetobeagaymanintheUK.AgainstTheLawisastunningpiecethatmeldsdramaanddocumentarytestimonytotellthestoryofoneman,andhiswidergeneration,astheystruggledtomakesocietyaccepttheirsexualityasnon-criminal.ItisbrillianttohaveafilmthatbringstheauthorshipofBrianFillis,thevisionofdirectorFergusO'Brien,andtheoutstandingtalentofDanielMaysandcasttothisimportantsubject」
　　ThedramaalsofeaturesMarkGatiss(Taboo,Sherlock)asWildeblood'sprisonpsychiatrist,DoctorLandersandCharlieCreed-Miles(RipperStreet,PeakyBlinders)asSuperintendentJones.
　　Woventhroughthispowerfuldramaisreal-lifetestimonyfromachorusofmenwholivedthroughthosedarkdays,whenhomosexualswereroutinelyimprisonedorforcedtoundergochemicalaversiontherapyinanattempttocurethemoftheir"condition".Thereisalsotestimonyfromaretiredpoliceofficerwhosejobitwastoenforcetheselaws,andaformerpsychiatricnursewhoadministeredtheso-calledcures.Alloftheseaccountsservetoamplifythethemesofthedramaandhelptoimmerseusintherealityofadarkchapterinourrecentpast,apaststillwithinthereachoflivingmemory.