A fic for you.

[missyvortexdv]

Title: Lilith
Author: Purpleyin
Pairing: McKay/Weir
Rating: R
Summary: Atlantis grieves for a major member.Gone for a month & with no idea of their location or status they must drop efforts for rescue & presume death by Wraith.There is nothing more they could do but then not everything depends on them...Darkfic.

Here's link to beginning if you haven't read any.
http://www.fanfiction.net/s/2151673/1/

Latest chapter here.
http://www.fanfiction.net/s/2151673/11/