Blu never knew he had an evil twin. A good man doing his best to defend the boundaries of Servitude Hollow from those with malintent, he finds himself surrounded by angry, unsettled haints. Haunts. In order to help the misinformed and angry spirits—he delves into deeper realms to discover the origin of their rage and pain. Can he help them understand the truth? Or will they continue blood sacrifices...to his twin, Mr. Blak?