A small town is cloaked in a deep mysterious cloud of mist, and anyone who ventures into its depths is attacked by vicious monsters. A group of survivors seeks shelter in a supermarket, but internal conflicts soon drive them apart as two factions form with very different ideas of how to survive the crisis. Horror, based on Stephen King's novel and starring Thomas Jane and Marcia Gay Harden.

After a violent storm, a dense cloud of mist envelops a small Maine town, trapping David Drayton and his five-year-old son in a local grocery store with other local residents. They soon discover that the mist conceals deadly horrors that threaten their lives, and worse, their sanity.