Everyone knows Gotham's newest villain, but no one knows who hides beneath the mask. Raised by the Joker and Harley Quinn after disappearing as a child, Y/N has spent years becoming one of Gotham's most feared criminals. Cold, ruthless, and always one step ahead, they have no idea their past is built on lies. When Batman finally captures the mysterious villain and removes their mask, he comes face to face with the child he thought he had lost forever. Now, buried secrets, broken family bonds, and old enemies threaten to change Gotham forever.