I think you've just hit the right idea in that last paragraph. This chapter, set in the capital world (since you have to do it now!) can throw your antagonist off balance and make him think, and also convey all the extra info you need to convey about the aliens in one fell swoop. You can explore his motivations and also create even more suspense about the aliens.
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Date: 2015-02-10 09:18 am (UTC)=D Sally forth to chapter 25!!