USA brings Covert Affairs Season 3 to an end tomorrow night.

With a pair of life-changing events.

So teases the official network promo, at least, which focuses on Annie's mission to rescue a certain spy taken hostage in "Lady Stardust." Might viewers also be in for a certain significant kiss between major characters? Watch the trailer now:

And then check out various sneak peeks, including Annie receiving an important phone call and Arthur confronting Henry:

NOTE: Visit TV Fanatic the second the season finale concludes for a detailed review!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.