Logan is on spring break with his best friend from art school, Sam at her high school friend Vicky's family cabin, joined by the timid Claire and her aloof boyfriend Chet. Logan is quickly overwhelmed by the toxic dynamics of the group and goes looking for a drink in the dark basement beneath the cabin. It is here that he encounters a demonic force of chaos and ferocity that tempts him with the release of all the built up frustration he holds for the ones upstairs.