"Your just as crazy as your aunt is..."
What if there was a secret Harley kept? What if she even kept it from the Joker?
What if.. Harley had a niece?
There is a girl in the Arkham Asylum that is kin to Harley Quinn, Bailee Crater, A Girl that thinks White Rabbits, Talking Scarecrows and Odin are real..
Bailee doesn't know who the aunt really is that abandoned her at the Asylum, she didn't know it was to protect her, Bailee has spent most of her life there, her parents died in a car accident and she was put in the ASylum, She thought her aunt didn't care, but Harley was trying to keep her safe.
As Bailee falls for a boy named Kenton a tragic accident happens and drives her even more mad, A year after this accident a man breaks in the ASylum and goes straight to her cell to set her free..
He introduces himself as the joker and says Harley sent him to free her neice.. she didn't know he was lying...