In the depths of Washington State's Skagit Valley, four friends from Seattle embark on a weekend retreat that quickly becomes a descent into madness, where the unforgiving October landscape seems to warp their minds and unleash a maelstrom of personal demons, sexual tensions, and primal terrors. As they struggle to hold on to reality, the boundaries between fantasy and nightmare begin to blur, plunging them into an abyss of psychological terror that threatens to consume them whole.