Corporate retreats are dull at best, but when Carla is sent on one as a punitive measure, she isn't expecting anything to come of it, except a pink slip. High in the Ozark mountains, nothing is quite as it seems and reality skews in interesting ways. The conference is too elementary and Carla notices people starting to go missing. And the wild, incessant piping from the forest keeps her awake nights and stirs deeply buried desires.