It’ssupposedtobeafreshstart:Oneyearafterthelossofherhusband,NicolesettleswithheryoungadultchildrenJustineandJasoninPurityFalls.First,thefamilyisgreetedbyawarmwelcome.EspeciallytheirrichneighborCourtneyseemsawfullynice,quicklysettingupJasonwithoddjobstosupportthefamilyincome.YetNicolesoonnoticesthatsomethingisamiss,withhersonleavingandcomingbackatsuspiciouslylatehours.Whenayoungneighbordrownsinapool,thingsstarttogetdangerous.Somethingisnotrightwiththeoh-so-friendlyCourtney,whoseemstohaveagriponherson.Soon,NicoleuncoversthecriminalunderbellyofPurityFalls’wholesomesuburbanfacadethatwillthreatenalloftheirlives.