I went over the new scene and edited the next scene so that it fit in. Then I edited the next chapter. Buuut I'm going to have to go over that sucker again--the new scene is rather dramatic, but because it didn't exist before, in the next chapter it's like everyone got bonked on the head and completely forgot about it! So there's going to have to be some more significant reworking of the final chapters for continuity's sake.