University map, while looking for clues for the ghost, u need to check left hallways on every floor and every room in every hallway. There will be multiple notes about that girl, and how to save her. Also some notes on the other side of university, so you HAVE to explore all map. And then, after you catch the ghost, blonde girl with 2 guys apper in the main hallway 1 floor, near the stairs. After that you need to do some things to complete her quest. Look closely, read notes, dont rush