Dr. Harleen Quinzel M.D. was a psychiatrist at Arkham Asylum when she first met the Joker. She spent day after day talking to the Clown Prince of Crime about his past and began to develop feelings for him. One day this sweet doctor cracked and then became Harley Quinn and chose to devote her life to the Joker. She then helped him escape from Arkham so they can start their life of crime together. But it only last a short period of time because the Joker got himself caught again by Batman and is being sent back to the asylum. Now it will be up to you get him out again in this naughty nurse costume!