I really enjoyed this one, very well written. In a way it was quite a grim ending for the old guy. I ponder if it would have been better if the assassin had killed him, ending his misery (if one assumes being in such a state as he was in, is a miserable existence) and easing the burden of his daughter (if he had let her and the baby go).
These old episodes are interesting from a historical perspective also. For example it's fun to hear Steve Eley mention the release of the fourth 'George R. R. Martin book', obviously people didn't refer to the whole series back in 2005 as Game of Thrones.