The action takes place on a farm in Söder in Stockholm in the mid - 30s. Master painter Oscar Dahlberg is robbed of some salary envelopes and his son Karl-Göran is suspected. At the same time, a new tenant arrives at the 57th, Miss Greta Söderlund from Norrköping. The guys on the farm, "Musical gang", want to give her a festive reception and immediately start fighting to get her invited. Gideon Wahlberg (1880-1948) wrote several popular comedy games that were filmed or became comics. Among others Söderkåkar, Elvira Madigan and Skärgårdsflirt. He was also active as an actor and composer.