故事讲述了杨家父女、张三链子等一行人，在军阀阎立本的胁迫下踏入神农架密林。在森林中先后遭遇各种生物攻击，危难之际众人被野人营救。阎立本因贪念最终被巨蜥杀死，野人为了保护神农架奋勇搏斗，最终几人合力将巨蜥击杀，深林和村落再次回归平静。
The film opens in a bleak police station where celebrated war correspondent Kate Rafter (Seagrove) faces questions from a psychiatrist, Dr Shaw (Kurylenko), as they work through the painful events of Rafter’s life. A horrific incident in war-torn Iraq and the death of her mother (Steed) have brought a haunted Rafter home to Herne Bay, a place she believed she had escaped forever. Her resentful sister (Friel) has not made her sister welcome and her forbearing husband Paul (Miles) fails to broker peace. Whilst packing up her mother’s belongings from her childhood home, Rafter comes to believe there is something strange and terrifying happening in the house next door.
