In a war-torn world, Espers wield incredible powers but risk going berserk, while Guides are the only ones who can calm them. Wonwoo, an awakened Guide and soldier who lost all his comrades, is suddenly swept into a parallel world through a mysterious, dense fog. There, he confronts his dying alternate self and gains a chance to live a new life. "Don't live a life filled with regret, without meaning…"

Shockingly, in this new world, all his dead comrades are alive! Wonwoo seeks them out, using his abilities to help, and in the process, comes face to face with Gye Yoon, the Ruler of the North. "It's because of those eyes. Those eyes that look exactly the same." Strangely, every time he sees Gye Yoon, someone else comes to mind…