When Mary Machen and her young son receive a strange invitation from her dead husband's family to visit them in the backwoods of Georgia, she arrives to find a moss riddled swamp and a decaying mansion full of phantom shadows and old family tensions. But this new family of Southern Gothic oddities is the least of her worries. There is something evil living in the darkness of Algernon Wood and it wants blood and flesh.Now Mary must battle this Black Beast to save her son before he becomes the next victim.