Brody and Quinn have been on a collision course since he stabbed him... I think Quinn is dead in the finale. I don't think he wanted to kill Brody in front of Jess or Carrie, he needs to be alone when it happens.
The hit and run investment with Dana still needs to be paid off - hopefully with her death.
What about Estes' dinner with Roya way earlier in the season? That was never explained.
The mole thing is still out there.
I'm guessing Saul will spend next season trying to expose Estes.
Now that Jess is single again I'm not sure what her role will be now. Since she doesn't effect Brody psychologically right now I'm guessing we'll see less of her.
This post was edited on 12/10 at 9:21 am