I don't know what fic Jaimie was referring to, but my favorite fanfic of all time (and not just for Snape/Hermione) is The Buried Life by Kalina, found here: http://www.obscurusbooks.org/html/Kalina/B...Life/index.html or here: http://www.fanfiction.net/s/834017/1/
There are lots of great SSHG...