She's managed to hide herself away in the duct system of the Waystation. The safest place to be. She'd known it was a risk, to sabotage Ma'am's ship. But they were going to die if she hadn't, or worse, and if they'd managed to escape by some miracle, it would've been worse for her in the end. She had expected the pain, expected the punishment. She hadn't expected being left behind here. She knew she wouldn't get far without Ma'am, that was abundantly clear - it didn't help that no-one seemed to speak their language, and she didn't know trade.
So, injured, and alone, she retreated for the ventilation system, and found somewhere to hide. She can still hear the noise of the hundreds of people existing in close confines, and feel the comforting closeness of the walls around her.
Except suddenly those walls are gone. She bolts upright, wincing down from the anticipation of cracking her skull against a roof that is not there. She looks around wildly. What just happened?!