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.
After failing to kill stubborn survivor Laurie and taking a bullet or six from former psychiatrist Dr. Sam Loomis, Michael Myers has followed Laurie to the Haddonfield Memorial Hospital, where she's been admitted for Myers' attempt on her life. The institution proves to be particularly suited to serial killers, however, as Myers cuts, stabs and slashes his way through hospital staff to reach his favorite victim.
Herbie, the Volkswagen Beetle with a mind of its own, is racing in the Monte Carlo Rally. But thieves have hidden a cache of stolen diamonds in Herbie's gas tank, and are now trying to get them back.
John Matrix, the former leader of a special commando strike force that always got the toughest jobs done, is forced back into action when his young daughter is kidnapped. To find her, Matrix has to fight his way through an array of punks, killers, one of his former commandos, and a fully equipped private army. With the help of a feisty stewardess and an old friend, Matrix has only a few hours to overcome his greatest challenge: finding his daughter before she's killed.