The Dean mounts an attack to counter the new master, Sir Godber Evans, who continues with his attempt to drag the college into the modern world. Meanwhile, Skullion finds an ally in old Porterhusian Sir Cathcart D'Eath, and Zipser seeks 'confidential' counselling with the Chaplain about his obsession with the buxom bedder Mrs Biggs, which is getting out of control.