You think you can trust the ones you love most. But what if one secret could make you question everything? Every day, a woman like Louise passes you in the street: elegant, confident, determined. But underneath, she's struggling. She doesn't know her sister, Alice, has been scared of leaving the house since their mother died. She doesn't know when Alice babysits her little boy, Archie, he sometimes sees things he shouldn't. She doesn't know Archie has a secret. A secret that could send cracks through the heart of Louise's carefully constructed life...