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
故事讲述了一名美国特工被派往泰国执行一项危险的卧底任务，目的是摧毁一个残忍的犯罪头目。
