Gregynog Hall is situated in Powys, mid-Wales, and has been passed through many hands throughout the years. The current building, made entirely of concrete, but with mock Tudor wooden beams on the outer walls, was built in the 1840's by Charles Hanbury-Tracy.Once used by the Davies sisters, Margaret and Gwendoline, as a rehabilitation house during the war, they handed it over to the University of Wales in 1963, who now use it as a conference and study centre for their students.But with a strong history of paranormal activity, will the Most Haunted team be able to uncover it's secrets?