A mother moves into an old family home to undergo a rigorous treatment that she hopes will help her autistic daughter communicate. The therapy seems successful when the girl miraculously begins to speak. However, she soon discovers that her daughter has come into contact with the tortured entities of the place, who return from beyond to collect a dark debt from the past
在神秘旅客的勒索之下，年轻的运输安全管理局员工让一个危险的包裹登上了平安夜的航班，他必须与这个神秘人斗智斗勇。
