For Tess, her older sister Bella is her whole world.
She's smart and beautiful and popular - everything Tess isn't - and since the death of their mother it's just been them and their grieving father.
But now a new family has moved into the empty house on the edge of the woods, bringing with them a world of boys and alcohol, and Tess can feel her sister slipping away from her. Until the bodies of two local schoolgirls are found in the woods, and Tess is convinced that this new family has something to hide.
As events threaten to destroy everything they hold dear, Bella and Tess determine to bring the truth to light.
So the two girls go into the woods . . .