At a high school senior prom, a masked killer stalks four teenagers who were responsible for the ac

正值青春年华的美丽少女唐娜•柯派尔（Brittany Snow 布里坦妮•斯诺 饰）却拥有一段悲伤恐怖的过去，她曾亲眼目睹父母和弟弟被人杀害高中三年的快乐生活以及甜美的爱情让唐娜渐渐淡忘那段伤心往事