When miners blast for gold in the 1870's, they accidentally release ancient creatures known as Tommyknockers. The Town of Deer Creek, Nevada is soon under siege with only a handful of survivors held up in the local saloon.

一位母亲发现儿子身上的“怪异”行为，于是全家搬到了一座别墅居住，然而儿子却和一个人形玩偶交上了“朋友”，母亲也逐渐发现了人偶身上的邪恶秘密……