The Olsen Gang Takes the Gold (1972)

After his release from prison, Egon holds the key to an enormous score—Nazi gold buried somewhere in Denmark. The Olsen Gang quickly deciphers the map, but their plans are thrown into chaos when the slick international crooks Carina and Ricco catch wind of the treasure. Now, it's a frantic race against time as the gang must outwit their ruthless rivals, while also dodging the police, to claim the fortune before it slips through their fingers.