Rollo battles Ragnar when Jarl Borg and King Horik’s men clash. Rollo surrenders to Ragnar after admitting he cannot kill him. Ragnar negotiates an unsteady truce between Borg and Horik, then returns to Kattegat. Ragnar’s attempts to reconnect with his wife are hampered when Lagertha learns about his affair with Aslaug. Ragnar finally mourns for his dead daughter, Gyda. Ragnar’s life becomes more complicated when a ship arrives bearing a visibly pregnant Aslaug. Rollo is placed on trial but is shocked when freed by the law-keeper, who has been bribed by Ragnar. Despite Lagertha’s enmity towards Aslaug, Ragnar decides to take the princess as his second wife. Humiliated, Lagertha leaves Ragnar and Kattegat. Ragnar tries to stop her and pleads with her to return, but she rebuffs him. Ragnar’s sorrow is multiplied when Bjorn rejects him and goes away with his mother.