A good old fashioned horror movie that will keep you glued to your seat

A group of stranded commuters are chased by a hooded attacker into an office building, only to find the building infested with flesh eating zombies! They soon learn that their attacker is a Demon who plans on turning them into zombies as well. Can the elite, highly trained fighting force, known as DEMON HUNTERS, save them and the world from the demon and his zombie army?