Vader and Ensign Nanda are on an "unsanctioned" mission, backed by Vader's own personal band of special Stormtroopers, to find out just how Colonel Bircher was able to infiltrate their ranks. I love how Vader is portrayed here. The Emperor has basically punished him from overseeing the construction of the second Death Star and is now using his free time to regain his honor. He's a man with a mission, and he's not going to let anything stand in his way. It's especially fun to see other Imperial Officers call him out on some of the recent events, and, well, we already know what happens to people who talk back to the Dark Lord of the Sith.
There was another pretty big, surprising moment in this issue that I don't want to spoil here, but it really got me to thinking about some things. Needless to say, you'll know what part I'm speaking about when you get to it, but I had a serious nerd freak out after reading it.
Next month, we'll see the conclusion of this arc, which I couldn't be more excited about, and then we're back to seeing how Luke and the gang are doing. I'm very interested to see what Brian Wood has in store for us next.