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.
as Henkka Virtanen
as J.K. Kivimutka
as Henkka's mother
as Henkka's father
as Teacher
as J.K.'s mother
as Sister Kaarina
as Kauko Mäyhkö
as Old gentleman
as Old lady
as Moped boy #1
as Moped boy #2
as Mrs. Luukka
as Raimo
as Sinikka
as Teuvo
as Paraglider
as Blacksmith
as Owner of the barbecue kiosk
as Plasterer
as Rapper's sister #1
as Rapper's sister #2
as Police Officer #1
as Police Officer #2
as Fisherman
as Woman who lost her cat
as Tired man in a taxi
as Taxi driver
as Bank robber
as Raking neighbor
as Emergency call (voice)
