In the 1990s, when Go gambling fever swept Korea, Gui-su loses everything because his father gambled obsessively until there was nothing left. Left all alone in the world, Gui-su meets…

After waking up with mysterious wounds on his hands, a champion fighter finds himself in an otherworldly battle against evil forces that wreak havoc in the human world.

Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.