Commissioner James Gordon is arrested for corruption, forcing his daughter, Barbara Gordon, to take a dramatic step to help him.
When Harvey Dent is poisoned with derivative from an extinct flower, Batman must hunt down the assailant who has the antidote, the villainous plant fanatic Poison Ivy.
Batman and Batgirl oppose Calender Girl, a mysterious woman who is attacking various youth oriented media events.
A convict turned witness disappears and Harvey Bullock, who arrested him, is suspected in the incident.
