Batman's investigation into a series of recent macabre murders leads him to the past and an old case file of similarly horrific killings. As the murders continue with intensifying horror, the Dark Knight is driven to the edge of self-control. Coming to blows with his longtime ally, Commissioner Gordon, Batman must find a way to regain his senses and solve this disturbing case. But when confronted with the vengeful killer and their demonic powers, Batman finds himself in a showdown that he cannot possibly win.