A former Hollywood stuntwoman who moonlights as a dirty PI finds herself transforming in an eerie way after she gets infected by a clients mysterious compound.

一位怀孕的母亲（瑞秋）和丈夫（马特）在农村遭遇车祸，一位农民和他的妻子为他们提供了住所吗，瑞秋很快意识到农民的孩子实际上是偷来的，就在他们试图逃离农场的时候，瑞…