WhenLisa’sfatheriskilledinahitandrun,wediscoverthathehasasecretdaughterfromhisfirstmarriage.HernameisMarieandsheisaconvictedmurderer,outonearlyreleasefrom rison,anddrivenbyasingle ur ose-revenge.LivingunderasecretidentityasBethany,MariehasconnivedherwaytolivingandworkingclosetoLisa,lurkingand lanningherrevengeas aymentforthelifeshefeelscheatedoutof-alifeshefeelstheirfatherunfairlygavetoLisa.Mariehassetadeadlytra forLisatotakebackwhatsheisowed,leavingLisa,hermotherandtheirfriendstofightfortheirlivesagainstthemurderoussistersheneverknew