LindahasaseeminglyperfectmarriagewithherruggedandhandsomehusbandMarkandanadorable8yearolddaughter,Chloe.ButwhenChloeisinjuredbyanelderlybabysitterwhohasslippedintodementia,Lindawantstoensurethatherchildisneverhurtagain.Initially,Heather,thenewbabysitter,seemsliketheidealadditiontothispracticallyperfectfamily.ButHeatherisaschemerwhoexploitsthecracksinMarkandLindasintentionsgofarbeyondthemischievous.
