在这部勿忘我爱情/惊悚/恐怖片中,又是一年毕业季，金发美女桑迪·切宁（卡莉·许洛德 Carly Schroeder 饰）和英俊帅气的弟弟伊莱（科迪·林雷 Cody Linley 饰）学业无忧，前途光明。夜幕降临，姐弟二人和莱克丝（Jillian Murray 饰）、蕾拉（Chloe Bridges 饰）、查德（Zachary Abel 饰）、汉娜（Brie Gabrielle 饰）等好友聚在一起饮酒狂欢。兴之所至，他们驱车来到墓地玩抓鬼游戏。游戏刚要开始，一名陌生女孩（Brittany Renee Finamore 饰）突然出现要求加入他们。谁知之后女孩问桑迪是否记得她之后，纵身从悬崖边跌落下去。受到惊吓的年轻人们叫来警察搜查，结果一无所获。
谁知接下来的日子里，一系列死亡事件在这几名年轻人中间发生，一切都与一段遥远的记忆有关……
It's graduation weekend, and Sandy Channing, the popular class president of her small-town high school, should be enjoying the time of her life. But when her friends start disappearing, Sandy discovers they have unwittingly awakened the vengeful spirit of a girl they wronged long ago. Fighting for her sanity, Sandy must unlock a dark secret from her own past before it's too late.
勿忘我最科学的解释。又一部被忽略的恐怖片。典型的女主自己作还抱怨社会。遗忘。
