Nightwing’s worst nightmare is to wake up one day realizing he murdered someone he loves and doesn’t even remember how or why he did it…and that’s exactly the Knightmareverse in which Insomnia has placed him while memories of who Nightwing killed and how he did it start flashing back vividly in his head. To make matters worse, he’ll have to work with his cellmates, Two-Face and Scarecrow, to get out of this one alive…