The TARDIS brings the Doctor, Tegan, Turlough and Nyssa to the University of Frodsham, close to where the warrior queen Æthelfrid fought a desperate and bloody rearguard action against the savage Danes. Over a thousand years later, in 1983, battle is still being raged, with student activists taking on savage funding cuts… and disrupting a conference about Æthelfrid convened by history professor John Bleak