Jönssonligan spelar högt

Dynamit-Harry and Vanheden have left the criminal life behind them. Together with Harry's wife they are managing a small company together AB Alltjänst (roughly General Servicing Ltd). But when Sickan's maternal grandmother suspects that Wall-Enberg is shutting down theaters like La Scala they contact Sickans brother Sven-Ingvar "Sivan" Jönsson who has a plan. They are going to steal a computer floppy disc with bank account numbers worth 60 billion kronor.