Secretary to the Cabinet, Sir Arnold Robinson is retiring and Sir Humphrey is to take his place. Hacker celebrates by getting gloriously drunk and is lucky to escape the breathalyser - unlike the Deputy Prime Minister. With his successor out of the way, the Prime Minister too steps down and the hunt is on to find his replacement. The politicians favour a strong candidate, someone with style and charisma who will lead the party into a new term of office. The Civil Service favour someone less headstrong, more 'receptive to advice'...