Conservative conference: Lib Dem MP spies on coalition colleagues
Liberal Democrat MP Don Foster dressed as a spy to get into the Conservative conference to find out what they think of their coalition colleagues.
A few weeks ago Peter Bone went to the Lib Dem conference but was not impressed with what he heard.
The films follows a similar Daily Politics wife-swap last year when Don Foster went to the Tory conference after Nigel Evans toured the Lib Dem gathering.
Party conference Special Report