
Plot
Henkka Virtanen finds evidence of a possible crime on his way to school. With his friend J.K. Kivimutka, the boys decide to investigate what has happened, because these criminal cases are the responsibility of the detective agency they have set up. When it turns out that mailboxes in the area have disappeared during the night, the detective bureau has already two crimes to solve. A fun and exciting adventure begins, in which the boys also have to face their own fears.
Trailer
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Cast

Mikael Ehn
Henkka Virtanen

Veetu Hietanen
J.K. Kivimutka

Anna Pitkämäki
Henkka's mother

Tapani Kalliomäki
Henkka's father

Annu Valonen
Teacher

Pirjo Heikkilä
J.K.'s mother

Sira Junno
Sister Kaarina

Verneri Tinkanen
Kauko Mäyhkö

Heikki Nousiainen
Old gentleman

Kaija Kiiski
Old lady

Santeri Töyry
Moped boy #1

Anton Riihilahti
Moped boy #2

Satu Säävälä
Mrs. Luukka

Rami Rusinen
Raimo

Suvi-Sini Peltola
Sinikka

Tom Petäjä
Teuvo

Väinö Weckström
Paraglider

Sisu Aro
Blacksmith

Markus Karekallas
Owner of the barbecue kiosk

Väinö Karhos
Plasterer

Liina Mäki
Rapper's sister #1

Edith Mäki
Rapper's sister #2

Raimo Hauta-aho
Police Officer #1

Tuire Arola
Police Officer #2

Jarttu Mustonen
Fisherman

Paula Pakarinen
Woman who lost her cat

Jarkko Felin
Tired man in a taxi

Katja Kivistö-Leikkonen
Taxi driver

Amadeu Vives
Bank robber

Pentti Rissanen
Raking neighbor

Jenni Vuorio
Emergency call (voice)