How strange... A little stick note has been left in both the Gryffindor and Slytherin Common Rooms. All it says is 'Sorry'. I wonder who it's from.

Gryffindor Table:

Hufflepuff Table:

Ravenclaw Table:

Slytherin Table:

Hallway:

Classrooms:

Bathrooms:

3rd floor bathroom (girls):

Library:

Quidditch pitch:

Astronomy Tower:

Hospital Wing:

Headmaster's office:

Kitchens:

Black Lake:

Room of Requirement:

Forbidden Forest:

Gryffindor Tower

Common Room:

Boys 1:

Girls 1:

Girls 2:

Hufflepuff Cellar

Common Room:

Boys 1:

Girls 1:

Girls 2:

Ravenclaw Tower

Common Room:

Boys 1:

Girls 1:

Girls 2:

Slytherin Dungeons

Common Room:

Boys 1:

Girls 1: