The Junior Olsen Gang and the Black Gold: Norwegian engineers are searching for oil and Egon Olsen convinces his friends to buy stocks in the oil market. In the process, Egon, stumbles upon a scheme to fool the Norwegian Government that there is indeed no traces of oil in the North Sea. The Olsen Gang tries to tell the ministry the truth about the oil but they are caught by Sheik El-Altan who, in order to make sure the boys keep their mouths shut, kidnaps Valborg and brings her to Egypt.