Crystal Kent, daughter of Clark Kent (A.K.A. Superman), never knew moving would be this hard. She is forced to go to a new, prestigious high school called Gotham Academy where she is now considered the "new kid." Having trouble finding a good aspect of moving, Richard Grayson enters the picture. Handsome, confident, and mysterious, he intrigues her and she can't help but fall for him.
Her father notices her problem with the move and tries to cheer her up by offering to let her become Gotham's Supergirl. Accepting the offer excitedly, Crystal then learns that becoming a superhero is more than just wearing a tight suit. She has to face new enemies and overcome many problems, Crystal is wondering if she can get through this. But Nightwing is there to help her and show her how to be Gotham's hero.
Crystal starts to have her own wars within herself, but when her childhood crush shows up she doesn't know what to do. And when the Joker takes an interest in her, Crystal really believes the move was the worst thing that could ever happen to her.