Betrayed by the world, high school student Yeom Seung-gi escapes to his hiding place. Baphomet, the newly designated ruler of a new hell, chooses Seung-gi as his subordinate. As the creator of this hell, Baphomet selects Seung-gi and grants him the right to choose prisoners as compensation for his assistance in hell’s creation. Seung-gi joins forces with the demon in order to seek revenge, expecting it to be a win-win relationship. However… Suddenly, a death game begins— To survive, they must be sent to hell!