Only the Stubborn Survive
Captain Carter celebrates finishing her latest project with a man she only knows as 'Jack' and learns she's transferring to the SGC the next morning, but her first off-world mission ends in betrayal. Captured by Jaffa she keeps Earth's secrets under torture but is then brought before Apophis and Klorel, who decide to make her a host. She discovers the wild fling may just save her…
-> Chapter 20 (FFnet) (AO3)
--> Timeline of the story (updated along with story, so no spoilers)
My S/J fics can be found on FFnet and AO3.