1Introduction
9The Photograph Left Upside Down
2The Unlisted Room
10Voices in the Maintenance Shaft
3Whispers Behind Steel Walls
11The Blueprint That Lied
4Keyhole Number Thirteen
12Emergency Exit, Locked from Inside
5The File That Wasn’t Filed
13The Countdown That Started Itself
6Motion Detected at 3:12 AM
14Floor Minus Three
7The Man with No Entry Badge
15Silence in the Surveillance Feed
8Protocol Override
16The Vault That Shouldn’t Open
