Cecilia and Emma were tween-age BFFs who were going to grow old together and never let anything come between them, until Alex arrived on the scene. Twelve years l…

　　年轻夫妇马克（Stephen Cromwell 饰）和莎拉（Niamh Algar 饰）驱车外出度假，当他们开到爱尔兰某郡的偏远乡村时，却迷失了前进的方向，汽车更在昏暗的小路上抛锚。万般无奈，马克独自前往附近的村庄寻求帮助，谁知竟在一户人家里发…

　　負責維護布拉達郡內治安的警長，聽聞自己的轄區出現了某種前所未見的神祕生物，牠螫伏在人煙稀少的農地，卻不時有人目睹牠詭異面目的訊息傳來。警長起初不以為意，情況卻逐漸越演越烈…。當地一對夫婦的憑空蒸發，似乎和這生物脫不了…