Bartholomew Landers, a seemingly normal eighteen year old boy living in the oblivious underworld city of Infernum is discovered to be Tenebrae - a sub race of people who can manipulate the elements and have superhuman powers that strike fear into the hearts of people, he is thrown away into the depths of Excillon, where meets the other Tenebrae and plot to get out. Meanwhile his long lost immortal ancestor seeks Bart's power for his own devices.