The Soviet Union wants more influence in Europe and decides to get more power by giving the nation of Boufferia a new king, an easy to handle drunkard, because they don't have enough power over the current king.
as Do - The Prince
as Re - The Archbishop
as Mi - The Singing Star
as Fa - The Fascist
as Sol - The Hairdresser
as La - The Prime Minister
as Si - The Trading Politician
as chief of the royal guard