A group of teenagers met at an hospital and learned that they need to make friends to deal with the problems of suffering different diseases and living in an hospital.
皮尔森(凯文尼龙 Kevin Nealon 饰)带着家人来到郊外的别墅和弟弟一家一起避暑度假。一场看似普通的流星雨让4个带着可以控制人思维的高科技仪器企图侵略地球的外星人迫降在别墅的阁楼里。他们起初利用控制贝瑟尼(阿什丽提斯代尔 Ashley Tisdale 饰)的男朋友里基(罗伯特霍夫曼 Robert Hoffman 饰)悄然打入这家人中,可不料还是被皮尔森家的…