Ettie has lived blissfully with just her grandma for company and the wild woods as her playground.
Until she meets the mysterious Cora and she starts to crave more – now she wants to explore further, to discover secrets of her own.
So, when Cora leads her to the hidden quarry pool – deep, cold, beautiful and dangerously inviting – Ettie is ready to jump straight in.
But the quarry has secrets too, and Ettie will have to dive deep into the darkness to uncover them . . .