Karena, eldest daughter of King Horik, becomes a pawn in her father's quest to destroy Ragnar Lothbrok, wed to his son Bjorn Ironside. But over time, she learns to play the game that her father and brother know so well. Ylva, a widowed shieldmaiden, realises she might be the answer for a particular Viking, if she can push past his barriers. Bjorn/OC; Rollo/OC. • Season 2-3 •