She was a suspect in the murder of Zoe MacKay in the episode Posing in Murder. In the episode, JP revealed that he knew her, as she was in the year above him at school. She is shown taking a particular interest in JP when he is around, but does not say much until the case is over. JP believed she would not remember him.
She and JP began dating shortly after the Zoe MacKay case wrapped. They later married, and started a family with JP right as he became a Sergeant.