The harvest moon has arrived and homicide detective Noah Daugherty is drawn into one final, harrowing case when the search for clues leads him to the middle of a killing field. Desperate, he enlists the help of a woman from his past. Together they discover a serial killer, hell bent on reaping his own depraved version of social sanitation.As Noah continues his urgent search for justice, the demented madman seems to stay one step ahead, taunting him and threatening everyone he holds dear. Can Noah put a stop to the killing, or will he be buried along with autumn's secrets?