England is at war, and Bassethwaite's residents are keen to serve their country. Many have joined the Army, the Air Force or the Navy... but some are serving closer to home. Basset Hall has been requisitioned, but what vital war work is taking place within its shadowed walls? Uniformed couriers dash back and forth, radio masts rise from behind chimneys, and highly-trained carrier ferrets bring messages to their masters. Join us to find out more -- as much as the Official Secrets Act will let us reveal.