女孩凯莉被诊断患有全球只有几千例的罕见病:贝敦氏病,并将不久于人世。但她生活积极开朗,在她失明并且失去运动机能后,仍然参加了学校的啦啦队,在最后的生命里探索一切不可能。。Ellie returns to her high school as a teacher ten years after she was nearly killed in a series of brutal slayings on the cheerleader squad. When the attacks start again after her return, she must find the killer before they get to her.。