Kirsten Ginnio just wants to be a normal teenager. And on the outside, she seems perfectly normal. But deep down, she has a dark secret. Every night, she get visited by a woman. A woman who is very tall. A woman who will torture her just for the fun of it. Kirsten thinks this is just because of her depression. After all, she's had depression ever since she was 12 years old. Its just her imagination, right? But it's not. When a new pupil, Lise Becklee, joins the class, she revels to Kirsten that she was once tormented by this tall woman, and that Kirsten needs to get rid of her fast, or her life might come to an end.