In a world where death should be final, Seol Ji-Hwan wakes trapped in a brutal underworld where survival means killing or being killed. Bound by a devil’s pact and haunted by a mysterious past, he must navigate savage trials, unlock forbidden powers, and outsmart deadly opponents including his own brother. With every step deeper into hell, Ji-Hwan confronts the darkness within himself and a world that’s far from human. The question is how far will he go to rise, and what will he lose along the way?