The Kiljunen family wins a holiday trip to Helsinki and the city will never be the same again.

That Kiljunen familys sets out find their two missing family members, who have been sent to Tampere by the Matalamäki boarding school for retraining due to poor school performance.

The birthday of twin boys, Mökö and Luru, takes the family Kiljunen to Helsinki, where their dog gets accidentally switched with the president's dog. Mökö and Luru rush to save their dog, while mother and father Kiljunen take over the city from land, sea and air.

Comedy film based on children's books by Jalmari Finne. Plot is unknown.