![The Jönsson Gang & the Black Diamond](https://i3.wp.com/image.tmdb.org/t/p/w185/qD54LiOT4xywx3HUKjCAw58BRhR.jpg)
Plot
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.
Writer | Rolf Börjlind |
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Director | Hans Åke Gabrielsson |
Actor | Ulf Brunnberg, Björn Gustafson, Peter Haber |
Country | Sweden |
Production | Sandrews |