Perhaps it's a story about the Time War, and maybe she gets killed horribly and the Doctor has to watch.
Sounds very...interesting anyway.
Got a link? 
)
Mind you, without sounding like a total wimp, did anyone else think the final scene was a bit, well,



)
I can honestly think of quite a few times there's been more 'falling' involved than last week! Okay if nothing else then what about when he destroyed all the Time Lords etc?