The film is based on characters from the Mänttien TV-asema sketches featured on the Spede Show.

Uuno Turhapuro is searching for a job and takes a correspondence course in tour guiding. Eventually he gets a job in a small travel agency and takes a group of Finnish tourists to Marbella, Spain. Unfortunately Uuno's father-in-law Tuura is in the group, too, with his wife and daughter, Uuno's wife Elisabet. Tuura tries to get a signature to an important paper from a minister who's having a holiday in the area. Meanwhile, Uuno just relaxes and enjoys the sun.

Uuno's father-in-law councillor Tuura moves to the country with his wife and daughter Elisabeth. Uuno joins them when it turns out Tuura's mansion is on the construction site of a new road. Tuura however is set on preventing this.

Uuno Turhapuro finds his doppelganger, Hugo, who happens to be a computer genius. Hugo helps Uuno save his father-in-law's business (and Uuno's inheritance) while Uuno helps Hugo win the heart of the love of his life.

Uuno is working as campaign manager of a president candidate but accidentally Uuno himself becomes the president of Finland.

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.

Gangsters try to steal Uuno Turhapuro's father-in-law's money by infiltrating into the family through Uuno, by pretending he has a long-lost son.

Uuno Turhapuro's brother returns home from Sweden at the same time that Uuno has been seemingly kidnapped.

Uuno Turhapuro's younger brother Peni arrives in Helsinki. Uuno helps his brother in management duties.

Sergeant Friman is developing an automatic submarine detector that piques the interest of both, Swedish and Russian spies.