Two old pals, Asai and Jiyong, make their annual pilgrimage up a snow mountain in honour of their late friend Sayuri. However, the duo is trapped in a violent blizzard with Jiyong seriously injured. Overcome by the pending death, Jiyong makes a morbid confession that he was the killer of Sayuri, just when a shocked Asai spots a nearby cabin that they can take shelter. Once inside, things start to go downhill and become an epic hallucinatory duel that drags everyone into hell. The latest feature by Nobuhiro Yamashita is an awe-inspiring psychological thriller full of horrific surprises.