Hi all,

It's been driving me nuts, and my google-fu is failing me.  Thank you all in advance, you're lovely.

I remember Dean is trying to save Sam from hell/possibly the cage.  Cas got him an army of parallel!universe Deans that had lost Sam in some way to help him fight his way to Sam.  Cas explained some of their backstories, such as "this one stayed in Folsom prison" or "this one Sam was killed by the Shtriga".

That's pretty much it.  It was a great fic and I miss it; again, thank you!