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.
A dispirited cop chucks his job on the force and, with the help of a college co-ed, sets out to solve the murder of a police colleague who had been his best friend.
