Egon hatches a plan to use his newfound knowledge to gain control of the financial records at DanInvest. He successfully steals the records, allowing him to acquire the majority of the stocks in Magasin du Nord just as they're going out of business. The scheme takes a dramatic turn when they attempt to steal the crucial red suitcase from the EEC headquarters in Brussels, leading to a high-stakes hijacking of a tank.

Olsen-banden overgiver sig aldrig
A recently released convict, Egon Olsen, concocts a daring scheme to infiltrate the EU headquarters in Brussels, Belgium, involving a tank in a high-pressure heist.