In a small town called Skrabbarp in Southern Sweden lives the school teacher Sebastian Pettersson, an amateur detective and one of the most diligent correspondents of the Stockholm police.

Reparto

Nils Poppe

Sebastian Pettersson

Gunnar Björnstrand

Zdenko Zapatil

Adolf Jahr

Albin Kvist

Inga Landgré

Elise

Kenne Fant

Holger

Gull Natorp

Mrs. Uggla

Märta Dorff

Hildur

Dagmar Ebbesen

Mrs. Valldin

Ragnvi Lindbladh

Lilly

Henrik Schildt

Erik

Börje Mellvig

Chief Constable Bertold

Helge Hagerman

Svensson

Fritiof Billquist

Svedje

Arne Lindblad

Drifter