The opening episode of series seven sees an Al Qaeda cell kidnap a British soldier and demand that Remembrance Sunday be cancelled as it is an affront to all dead Muslim soldiers. MI5 hunt the cell but, when they secure the release of former MI5 officer Lucas North in a secret spy swap, the team realise Al Qaeda have a new sponsor - the emerging super power Russia, and there's a bomb. In other news, Harry is reunited with his protege. Continues tomorrow. The last in the series of The Dark Side of Fame with Piers Morgan can be seen afterwards at 11.35pm, and tonight's guest is the model who went from unknown, to winner of Celebrity Big Brother. Chantelle Houghton discusses her brief fame and the effect on her life of media attention.