Undertow

When 16-year-old Billie Paradise inherits her grandmother's house, it's a fairytale come true. She and her family move from their rented flat in London to start a new life by the sea. Maybe Billie can even find the father she's never met. But moving back to her mum's childhood home uncovers long-buried secrets and Billie soon discovers that people may die, but the past lives for ever.