Two men, who both have tried to commit a suicide, decide to found a "Let's do it together"-suicide association to help the self-destructive people to succeed in their goal. Soon they have a bus load of candidates and together they start a bus tour in order to find a suitable place for the mass suicide.
Uuno Turhapuro becomes the President of Finland. Streets are named after him and honorary companies are arranged for him. He also tries to turn Finland into a kingdom.
The Minister of Defence asks sergeant Körmy to take part in operation, where the United States and Russia are to hand over their nuclear weapons launch equipment and codes to neutral Finland.
