When a detective investigates a series of murders in a small town, he discovers a dark curse connected to an ancient Halloween ritual. As Halloween approaches, the town is plagued by a killer scarecrow seeking revenge. With time running out, the detective must uncover the truth and stop the supernatural serial killer before more lives are taken.

In the small town of Dunwich, a vengeful supernatural serial killer embodied as a scarecrow rises on Halloween night to seek revenge on those who wronged him. As a group of vigilantes try to stop the killer, they discover the horrifying truth behind his undead existence and his connection to a dark secret from the town's past. With a sack mask covering his face, this slasher will stop at nothing to satisfy his thirst for blood.