Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

Three friends - Adrian, Charlotte and Viktor - head out into the Norwegian wilderness to explore a cave. They are all experienced at this sort of thing and have planned well. Relationship issues - Charlotte is with Adrian but she and Viktor used to be a couple and he still has feelings for her - complicate the expedition, and someone seems to be following them, even in the cave.
Loading. Please wait...