The Radio Times said, in an introductory article, that one of the writers had the joy of bringing in a new character within this season, by which the interviewer gleefully envisioned a hearse arriving for an existing one. We know that, by and large, no-one's safe in a Spooks episode, but come on!
Meanwhile, the move to aping 24's approach of an on-going storyline doesn't half crank up the tension.
More, please. Right now.