The text you provided is the title of a digital video file for , titled "Unforgiven" . In this episode, several pivotal storylines converge:
: King Horik returns to Kattegat after a defeat in Wessex and suggests an alliance with Jarl Borg to secure more ships. Although Ragnar appears to forgive Borg for his earlier attack on Kattegat, it is a trap. Ragnar and Rollo eventually capture Borg, dragging him away to face a gruesome execution.
: Returning to her home with Earl Sigvard, Lagertha is brutally beaten and publicly humiliated by her husband. In a climactic moment of defiance, she stabs him in the eye, and he is subsequently killed by one of his own men, allowing her to seize power.