Following a violent thunderstorm, artist David Drayton and a small town community come under vicious attack from creatures prowling in a thick and unnatural mist. Local rumors point to an experiment called the 'The Arrowhead Project' conducted at a nearby top-secret military base, but questions as to the origins of the deadly vapor are secondary to the group's overall chances for survival. Retreating to a local supermarket, Drayton and the survivors must face-off against each other before taking a united stand against an enemy they cannot even see.

Following a violent thunderstorm, artist David Drayton and a small town community come under vicious attack from creatures prowling in a thick and unnatural mist. Local rumors point to an experiment called the 'The Arrowhead Project' conducted at a nearby top-secret military base, but questions as to the origins of the deadly vapor are secondary to the group's overall chances for survival. Retreating to a local supermarket, Drayton and the survivors must face-off against each other before taking a united stand against an enemy they cannot even see.

Following a violent thunderstorm, artist David Drayton and a small town community come under vicious attack from creatures prowling in a thick and unnatural mist. Local rumors point to an experiment called the 'The Arrowhead Project' conducted at a nearby top-secret military base, but questions as to the origins of the deadly vapor are secondary to the group's overall chances for survival. Retreating to a local supermarket, Drayton and the survivors must face-off against each other before taking a united stand against an enemy they cannot even see.

In grand "X-Files" manner, the film's storyline is being kept under wraps. This much can be revealed: It is a stand-alone story in the tradition of some of the show's most acclaimed and beloved episodes, and takes the complicated relationship between Fox Mulder and Dana Scully in unexpected directions. Mulder continues his unshakable quest for the truth, and Scully, the passionate, ferociously intelligent physician, remains inextricably tied to Mulder's pursuits.