Origin
Grace was at one point blackmailed by The Owl who possessed incriminating information of her. In order to stop the blackmail, Grace agreed to help him.
Creation
Grace was created by Jeph Loeb and Tim Sale for the popular series Daredevil: Yellow.
Major Story Arcs
Daredevil: Yellow
For more information see: Daredevil: Yellow
Agreeing to help the Owl, Grace was ordered to travel to visit Matt Murdock (A blind lawyer) and tell him of the blackmailing. When Grace fled from the law-firm, pretending to be crying, Owl entered soon after and pleaded his case.
Grace later found Karen Page kidnapped by The Owl but refused to help her escape. It is unknown what happened to Grace after this.