![Image Carnage Park](http://image.tmdb.org/t/p/w500/v5PNynq0yMJOWyu0WbZYHiU3Ez7.jpg)
Dr. Daniel Challis and Ellie Grimbridge stumble onto a gruesome murder scheme when Ellie's novelty-salesman father, Harry, is killed while in possession of a halloween mask made by the Silver Shamrock mask company. The company's owner, Conal Cochran, wants to return Halloween to its darker roots using his masks -- and his unspeakable scheme would unleash death and destruction across the country.