Ash returns from Egypt, believing the Necronomicon Ex-Mortis destroyed for good. However, the evil tome has managed to hitch-hike all the way back to S-Mart and wound up in the hands of Mister Smart himself, Ash's cheerfully irritating boss. When Deadites infest the aisles and consumers start consuming, Ash must team up with his fellow co-workers to start the ultimate wage slave war against evil.