The town of Maple Valley holds an art painting competition. When Ezra Vale's picture of a gruesome monster doesn't win, strange things begin to happen. A fiendish beast like that in the picture attacks the prize judges and kidnaps Vale into its nightmare world on canvas.; Showgirl Marilyn asks her lover to kill her husband. The murderer, however, is haunted by visions of his victim. He goes to check on the corpse and is imprisoned in the dead man’s tomb.; An antique mirror from Egypt channels evil energy into Elyse, fiancée of Brad Stanfield. In a state of trance she stabs a servant in her grandfather’s home. Stanfield and archeologist Redmond soon find out about the connection. A last-minute destruction of the magic mirror prevents Elyse from killing Brad.; John Unter runs amok in the town of Mossy Glen. Before he can be apprehended by the police, lightning strikes and kills Unter. From now on Mossy Glen is cursed. With every thunderstorm Unter comes alive as a ghoulish monster and strangles someone.