Swedish movie from 1939. In summer Stockholm live the unemployed musician Nisse trying to sell the songs to music publishers. One day the treasurer of a prominent publisher is arrested, on suspicion of theft of 10,000 crowns from a cash box. Nisse has, however, seen something suspicious.

Stig works at a factory and loves painting. When the factory shuts down Stig enters the abandoned building and starts to paint a brick wall.