People of the neighborhood – the ones who manage to survive, at least – call her The Slayer. Everyone know her real name, but callin’ her in that way make them feel safe and sound. Give them comfort knowing that in the most dangerous moment she will come and do what she knows best: exterminate. And save lives.

EunAh has always lived according to her Dad's two golden rules: "Don't you ever go alone in the woods" and "Don't go out at night, no matter what."   But, on a full moon night, something make her break them.