A young, idealist American gets a job as a train conductor for the Zentropa railway network in postwar, US-occupied Frankfurt. As various people try to take advantage of him, he soon finds his position politically sensitive, and gets caught up in a whirlpool of conspiracies and Nazi sympathisers.
Egon escapes from the psychiatric ward, where he has been incarcerated since the gang's last coup. Keld and Benny pick him up, and when Egon, as always, is planning the big heist, the Olsen Gang is once again on the move.
Knut Hamsun is Norway's most famous and admired author. Ever since he was young he has hated the English for the starvation they caused Norway during WWI. When the Germans occupy Norway 9 April 1940 he welcomes them and the protection they can give from Great Britain. He supports the national socialist ideals, but opposes the way these ideals are turned into action - that Norwegians are jailed and executed. His wife Marie travels in Germany during the war as a sign of support from Knut and herself.
