I think it’s a commentary on society? Bunch of kids are chosen for a special skiing getaway, which starts out bad (the road’s out and they have to bribe a ski lift operator to get onto the mountain) and gets worse (the lead ski instructor calls himself Father, says he’s a space alien and the kids need to choose one to be sacrificed). But the kids are all dumb assholes (they start a foodfight with their dwindling supplies), and the counselors are terrible (one ends up dead inside a snowman).
The kids discuss what’s going on and what to do about it, while Father (also of Ikarie XB1 and The Devil’s Trap) is always lurking unnoticed in a doorway. When the movie wants to set a mood, the camera stalks the snow surface to stuttering music, and when we’re lucky there’s a sweet shot of reversed time-lapse ice melt. Father says their alien blood is frozen, so the gang-affiliated kid burns down the cabin and they all flee, but the lift is too heavy to hold them all, so they leave their coats behind (and one sacrifices their hearing aid, come on) and escape together, with no dumb kid left behind.
Ten of the eleven kids: