Attending boarding school in London, Adele enters the glittering world of society girls and their wealthy suitors, until a violent assault leads her to a roguish young con woman, and together, they become vigilantes who mete out justice.
Explains the back story of Harley Quinn, a psychiatrist at Arkham Asylum who became obsessed with the Joker and turned into his demented sidekick to battle against Batman and Robin.