Batman: The Ultimate Evil themes concerning child sexual abuse and explored the topic of child sex tourism. The publisher required Vachss to follow certain rules, like making a clear distinction between fiction and reality and prohibiting the Batman character from killing, cursing, or having sex. In the story, billionaire Bruce Wayne, who as a child witnessed the murder of his parents Thomas and Martha, encounters the social worker Debra Kane, who takes Wayne to check up on her clients: he sees clear cases of child abuse and brave but futile resistance to it. Wayne's loyal butler, Alfred Pennyworth, gives him the secret files from
Batman Forever another riddle. Using the riddles, Bruce and his butler, Alfred, deduce the Riddler's secret identity. Chase is imprisoned by the Riddler and Two-Face in their hideout. Dick returns and becomes Batman's sidekick, Robin. Batman and Robin head to Riddler and Two-Face's lair, Claw Island, where they are separated. Robin encounters Two-Face and nearly kills him, but chooses to spare his life and is captured. The Riddler gives Batman a chance to save only one hostage, but Batman destroys the Riddler's brainwave collecting device, causing the Riddler to suffer a mental breakdown and allowing Batman to rescue Robin and Chase. Two-Face