When mankind first broke through the walls between dimensions, nothing could have prepared them for what they would find in Known Reality Plane 1301-A: it was absolute Hell. Literally. A covert security force was quickly assembled to patrol the Hellplane and ensure that none of the nastier denizens made their way Earthside. They were dubbed the Pan-Dimensional Security Corps. The HELLCOPS. COLLECTS HELLCOP #1-5.