Emma Ashley has never liked clowns, so when she meets one on an afternoon walk through the woods she is certain he is up to no good. After he attacks her and she runs deeper into the woods, she discovers a conclave of clowns performing a sacrifice. Their leader appears to be the spawn of her childhood nightmares. How can a figment of her imagination have come to life? Will Emma escape with her sanity intact? Or, will she become another victim of the clowns outside?