Linda has a seemingly excellent marriage together with her rugged and good-looking husband Mark and an lovely 8 yr previous daughter, Chloe. However when Chloe is injured by an aged babysitter who has slipped into dementia, Linda desires to make sure that her baby is rarely harm once more. Initially, Heather, the brand new babysitter, looks as if the best addition to this virtually excellent household. However Heather is a schemer who exploits the cracks in Mark and Linda's relationship, and delights within the ensuing chaos. As Linda later learns, to her horror, Heather's intentions go far past the mischievous.
