'Tup-Akka-Lakko' is sequel to 'Koeputkiaikuinen ja Simon enkelit' in witch doctor Jyrä (Hämäläinen) invented test-tube-adult (Spede) who look exactly like matematition Mutikainen. When the test-tube-adults body emerged 'cause doctors mistake, voice moved living into Mutikainens body. And that is reason for many problems what happen to people in this film.
