Sickan, the leader of the criminal Jönsson gang is incarcerated in a mental institution, attended by Dr M.A. Busé, who admire a handbook in crime that Sickan has been writing. Blackmailed by the nefarious banker Wall-Enberg, Dr Busé and Sickan's partners Vanheden and Dynamite-Harry execute Sickan's plan of stealing the valuable Black Diamond of the Romanovs from the National Museum.
The enthusiastic Reine is forced to take a job as a social worker at Kumla prison.
A study in forgiveness as oppression and goodness as provocation. Six youth criminals are chosen to participate in a social experiment where they are assigned to live together in a rundown apartment in the heart of Stockholm, Sweden. The six boys are being supervised by two forgiving and uneasy social workers. Their need to continue to commit petty crimes escalates out of boredom with the situation. One night they run into a young girl in trouble.
