When seventeen-year-old Lily collapses, her parents drop everything to take care of her. But their lives don't go back to normal. Soon fault lines in their marriage start to appear, as Lily's mother Grace begins to unwind the mysteries of her daughter's life. Whilst younger daughter Mia is left to her own devices, inventing her own reasons for her sister's collapse.As Grace obsesses over Lily's hidden life, it becomes increasingly unclear who is in most trouble - mother or daughter. And little does Grace realise that the uncomfortable truth about Lily lies much closer to home . . .
