ItsbeentwoyearssinceJohnFalkandFrankWagnerbroketheircooperationandFrankendedupasundercoverforthepolice.FrankhasjusthadnyinvigningofhisbarwhenhisformergirlfriendsbrotherKevingetintotroublebecauseofgamblingdebts.AtthesametimeJohnandGSIGroup,togetherwiththeGermanpolice,toblowupanunusuallyruthlessgangsellinganewtypeofdrugthatishardonyoungpeople.FrankssearchforKevincrossesJohaninvestigationandopensupanewcollaborationbetweenthem–withthebigdifferencethatthistimeitspersonalforFrank.JohanandGSIforcedtoorchestrateasophisticatedoperationtoentrapleadersofthedruggang.Thesituationbecomesevenmoredangerousbecauseitsanotherinfiltratorinthegame…