Firefly Glen What's in your head

Her dreams were like nothing she'd ever experienced before, nor would again.  Terrifying - exhilarating.

Raven wings, unfolding, then diving into a mire.  She was flying? No, she was running, racing across a landscape she had not seen since she was a child and still had sight.  A figure raced next to her and she knew it was Penn.

He broke away, laughing, and she started to follow.  As she was preparing to yell out an insult, though, the ground shifted, and she felt it move and open beneath her feet.  She was falling.  She shrieked, and her sleeping body twitched in response, an automatic reaction to the fright.

The scenes cut off there as Fennec woke abruptly.  Hours had passed since morning, and as she tried to push herself to her feet in a confused panic, she found she still couldn't move her legs right.  Her stomach turned and she heaved the contents of her stomach into a pile, then tried to drag herself... Wait.  Where was she?

Now was when Desdemona found her and she heard the wolf make a sound.  Wh...  she started to ask a question, then cut it off.  Instead she sat there, trembling.  What had happened to her?  Why couldn't she think?