A woman befriends a male nurse in a small Mexican town, and introduces him and his sister to a tentacled creature in a remote cabin that offers both unspeakable pleasure and pain.
If H.P. Lovecraft wrote tele-novellas, this would have been the result: a blend of cosmic horror, family drama, and dangerous desire, with a fair bit of gore and skin. It’s interesting and disturbing, which is a good combination.