Harvey is transferred to the Film Office where his exposure to "cinematic art" causes him to develop sexual anxiety and an acute chorea. The McHughs are dismayed to learn that their home might become a religious shrine after a former lodger, Roy Millane, becomes a candidate for sainthood. Harvey's mother, Monica, harbours a guilty secret about her former boarder, could it wreck Roy's chances of a thumbs-up from the Vatican? The Minister's leadership hopes are threatened when the Prime Minister signs a major trade deal with Japan. Harvey becomes an unwitting pawn in the Minister's plot to wreck the deal and start a trade war.