GURPS Vikings #3: Greaseheads

Having sailed from Norway with Kari and her brothers in a drakkar longship, the explorers eventually spot land. When they disembark onto one of the Zetland islands, they are confronted by the tattooed, grease-haired natives. After diplomacy fails, the Vikings are forced into a bloody battle. Afterwards, they retreat to their ship once again and escape further bloodshed. Sailing into a storm, the heroes finally come upon a strange shipwreck survivor.