Some orphan children, two years after Gotham City's devastating earthquake, become suicidal. Mayor Hull visits Zhang, a chemical weapons cartel industrialist who is conducting experiments on Gotham City teens without families. Poison Ivy recognizes the names and faces of the suicide victims. She realizes that these children were surviving with her and her plants in Robinson Park. She reads the medical examiner's report for one death and believes that she somehow has poisoned them. She searches for some of the other Robinson Park orphans who are still alive.