Serena Rapper gets a strange prediction: a genius has been born to her immediate family. When Serena finds a drawing Ricky has made, she is certain that Ricky is Vincent Van Gogh reborn. She decides to show Ricky's drawing to the intendant of the Art Museum. At the same time, a sketch of one of Van Gogh's paintings is found in Finland! This discovery starts an exciting chain of events, and in the end, the janitor of the Art Museum, a keen amateur detective, helps Ricky and Nelly to solve the mystery.

Silmu Ståhlberg
as Risto Räppääjä

Lumi Kallio
as Nelli Nuudelipää

Minka Kuustonen
as Rauha Räppääjä

Jenni Kokander
as Elvi Räppääjä

Ylermi Rajamaa
as Lennart Lindberg

Kristiina Halttu
as Doris Saastamoinen

Mika Nuojua
as Rolf Riukupelto

Eero Ritala
as Hercule Poironen

Pirjo Lonka
as Museum director Ellen

Carl-Kristian Rundman
as Police commissioner