When a terrified toy salesman is mysteriouly attacked and brought to hospital babbling nonsense and clutching the year's most popular Halloween costume, an eerie pumpkin mask, Doctor Daniel Challis is thrust into a horrifying nightmare. Working with the salesman's daugther Ellie, he traces the mask ... When a terrified toy salesman is mysteriouly attacked and brought to hospital babbling nonsense and clutching the year's most popular Halloween costume, an eerie pumpkin mask, Doctor Daniel Challis is thrust into a horrifying nightmare. Working with the salesman's daugther Ellie, he traces the mask back to the Silver Shamrock Novelties company and its sinister founter Conal Cochran whose deadly intent is to revive the ancient Celtic rites of "All Hallows Eve" and unleash a night of mass sacrifice across the land using his evil Halloween masks.

Horror master John Carpenter presents the third chilling instalment in the terrifying HALLOWEEN series.