It's probably not the right one, because it's been ages since I read it and I don't know if the story elements you mentioned are in it or not, but it does involve Watson serving in the War. Even if it's not the right one, it's worth a read - The Presbury Letters (http://liquidfic.org/presbury.html) by katieforsythe.
no subject
Date: 2012-07-17 06:20 am (UTC)