The Mist (2007) is a horror film directed by Frank Darabont and based on the novella by Stephen King. The story follows residents of a small town who become trapped inside a supermarket after a mysterious mist covers the area, hiding deadly creatures. As fear and tension grow inside the store, the survivors struggle to understand the threat outside and maintain order within the group.

Från IMDB:
After a massive thunderstorm, an eerie, unwavering fog descends upon a Maine community. Locals seek refuge in a grocery store from the monstrous creatures now roaming the countryside killing everyone they encounter.