The group is made up of professional porn actors Ron Jeremy and Veronica Hart, novice porn stars Rock, Angel, Wanda, and Lance, as well as the director and producer Jim, cameraman Jonah, gaffer-electrician and sound guy T.J., and makeup and script girl Laura.

After being dropped off by the school bus driver who leaves them behind, the group settles in their living quarters for the next few days to shoot.

Radio reports begin to describe a "strange light" in the sky that has been hovering over the mountains for the last several hours as Jim gets down to directing, starting with the first scene with Ron and Veronica.

Holing themselves up in the main cabin, Jonah, Jim, T.J., Lance, Rock, and Wanda try to make sense of what is going on, just when Laura walks in, acting strangely.

When Jonah and T.J. run outside in a futile attempt to save him, they are surprised by the appearance of a rugged mountain man, named Montz who brings them back inside to the main cabin.

Jonah and T.J. come up with a plan to capture the lethal creature by luring it through an open window, using a pair of women's panties borrowed from Laura, to try to trap it with Jeff's suck and squeeze device.

But while their backs are turned, the disembodied penis slithers into the kitchen and strangles Montz to death, while it shoves itself with rapid speed through T.J., killing him.

Jonah and Laura flee from the radio shack cabin and down the mountain just as Veronica makes the severed dick climax.

At dawn, when the sounds had stopped, Laura leaves the cabin and a sleeping Jonah, where she ventures outside and to a place in the snow where she seems to be distraught over the death of the one-eyed monster.