The Mist (2007)

A massive storm hits a small Maine town and causes a lot of damage. The next day a lot of residents head to the local supermarket to stock up on supplies. Among them are David, his son Billy and neighbour Brent who has a fairly rocky relationship with David. As the folks go about their business a thick mist approaches fast and suddenly a deathly frightened man comes running into the store shouting that there’s something in the mist.