HELL IS OTHER PEOPLE. Trapped on the last operational subway out of Gotham City, Officers Gordon and Espinoza, Anarky, Dr. Annika Zeller, and private investigator Harvey Bullock find themselves at each other's throats in a deadly pressure cooker situation--with none other than Mr. Zsasz at its center. If that wasn't bad enough, outside the train is a horde of flesh-eating plant monstrosities! Can the motley crew manage to find a way to safety without killing each other first?