"A few months ago," Ianto says slowly, "we were investigating some disappearances in the country, and Toshiko--one of the girls I work with--and I were, er, taken. And it was my first field assignment and everything went wrong . . . and I lost it a bit. I couldn't see how our being in danger was worth what we'd learn, and she said it was, that it was our duty to protect people.

"Which is something I'm trying to remember every day, now. This job isn't about us. It's about them." He nods out the window, to the city outside.