Poison Ivy [Pamela Isley] (villain; origin); Batman [Bruce Wayne]; Commissioner James Gordon; Alfred Pennyworth; Joe Cabaret (death); Roger Hine (death); David Bennet (death); Joker (host; villain); Dr. Jason Woodrue (flashback; villain)
Synopsis
Poison Ivy gets some long-term revenge on the real estate developers who were destroying the land when she first got her powers.