Bjorn faces a difficult decision. Ubbe and Torvi leave Kattegat, in search of new lands and perhaps old friends. Oleg's plans for the invasion of Scandinavia are taking shape, and King Harald is baffled by the origin of a mysterious raiding party.

Cast: Alexander Ludwig, Alex Høgh Andersen, Alicia Agneson, Jordan Patrick Smith, Kristy Dawn Dinsmore, Eric Johnson, Lucy Martin, Ferdia Walsh-Peelo, Andrei Claude, Emma Eliza Regan