After a robber, Chris Cassius, breaks into a chemical factory and drinks a mixture that gives him the power to turn people to stone, Barbara cancels her vacation with her boyfriend, Wade. Unwilling to allow Barbara to continue neglecting her personal life, Alfred the Butler brings Wade to the clock tower and exposes her secret. Meanwhile, Helena goes to Arkham Asylum and interrogates a villain named Clayface, who possesses the same abilities as Chris, and learns a shocking fact about her past. She must race to prevent Chris from killing New Gotham's most powerful people at a charity fashion show.