Being fifteen is tough, tougher when you live in a boring-ass small town in 1996. Donna, Rae and Kat keep each other sane with the fervour of teen friendships, zine-making and some amateur sleuthing. Their hunt will lead them to a hidden cave from which only two of them return alive. As the police investigate, Rae and Donna will have to return to the cave where they discover a secret so shattering that no-one who encounters it will ever be the same.