Uuno Turhapuro, a useless bum who has married money, creates havoc around his father-in-law's presidential campaign. He dresses up as his long-lost, wealthy brother from America, but things go awry when the real brother appears. At some point Uuno takes up a job at a hardware store, only to warm up a classic TV sketch perfected years earlier by the film's writer-producer Spede Pasanen. Written by Markku Kuoppamäki
Uuno Turhapuro's younger brother Peni arrives in Helsinki. Uuno helps his brother in management duties.
New takeover plans and Russian art thief looking for Mannerheim's portraits keep Sergeant Körmy busy.
