Someone stole gold-merchant Muhammed Karat’s diamonds. Could it have been the snidely sniggering goldsmith Ture Modig, who really should have owned the whole store? Or maybe Lollo Smith, the newly employed health-freak with a taste for the good things in life? Surely it couldn’t have been Siv Leander, faithful employee, now in financial straits? The police in the small town of Valleby are at a loss, and LasseMaja’s Detective Agency must step in.