Part 5/9:
As Esther's behavior becomes increasingly erratic, Kate begins to suspect that something is deeply wrong. After various disturbing incidents, including Esther pushing a bully off a slide and later revealing a sinister side of her personality, Kate grows increasingly concerned for her children's safety. Despite her instincts, the adults around her dismiss her concerns, including the therapist who believes that Kate might be projecting her insecurities onto Esther.