Summer time, 1997. Twelve-year-old Grace and eleven-year-old Asta have been pals for so long as they will keep in mind. When her father immediately leaves, Grace’s fascination with faith and the supernatural turns into an obsession. On the finish of the varsity holidays the ladies go to remain in a cottage within the Cornish countryside with Asta’s bohemian mum, Kate. There, troubled Grace is pressured to confront her demons...