<p>When a pervasive fog grips the town of Fort Johnson and ancient evil emerges its sights set on Agnes Blackwood.<br>When she is ripped from her house by an inhuman tree monster she is besieged by supernatural torment a message repeated by those that have been trapped before. Don't submit to him is written on walls carved into trees and whispered on the wind.<br>However as the torment increases and her husband Artemis cannot reach her she struggles to fight against the warning she has been given.</p>