Josef partakes in his mundane highschool life amidst the neverending blizzard of winter. Cold, boring, and normal. Until one day, he wakes up to a classroom reeking with the scent of blood. The surviving students struggle as they fend off the demonic "teachers" who are trying to "re-educate" the students in bloody torture. With the help of his friends and a revolver with a note attached that simply read: "Eradicate the principal", Josef aims to escape the school and uncover the mysteries that surround the hellish predicament that they are in.