The “Ting” allows Ahl to borrow a new ship called the “Eagle” and appoints Bertil. an old sea captain, to sail it. They cross the Baltic Sea and find the land of the Rus where they think that Ulf is in captivity. However, the journey is fraught with danger. Not only do they have to travel through waters infested with pirates, but one of their own countrymen plots to kill Ahl.
Their luck runs out when they try to help a vessel under attack by robbers and the crew soon find themselves in as much trouble as the friend they are trying to rescue.