The only visible reactions that Ianto has to Bruce's news is a slight quirk of an eyebrow and an intake of breath that is louder than usual. He didn't know what he'd expected Bruce to say, but it certainly wasn't that.

"Well, sir, when I think about it, I guess that explains a lot of things," he says after a few moments of silence have passed. "But you should be congratulated on your excellent cover, I don't think I ever would have guessed."