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孤身一人深入莽荒。与万千妖兽豁命死斗；什么事情危险就去做什么事情，哪里风险大就往哪里钻，因为自己需要哪种徘徊在生死之间的压力来鞭策自己前进，突破……