WhenacarispulledfromariverwithaskeletoninitsbootthepathologistreckonsbothhavebeenthereforaquarterofacenturyandeventuallythedeadmanisshowntobeTaylorKane,oneofthefirstblackundercoverofficers,whodisappearedatthetimeoftheBrixtonriots.DespitenocorpsebeingfoundatthetimehisendofservicerecordwassignedbyhissuperiorofficerAlexGreene,declaringhimdead.SoonafterwardsthemurderweaponisidentifiedasatruncheonbelongingtoracistpolicemanDarrenGrady.EmotionsrunhighasJake,againstHenry'sadvice,promisesTaylor'ssisterNikkithatshewillgetjusticeandprosecutesGradyformurder.ToassistthecaseRonnieapproachesaformercolleagueinordertoobtainthetruthaboutTaylor'sdeath.