Rollo (Clive Standen) thought he was living the dream by marrying Princess Gisla (Morgane Polanski). But in this exclusive sneak peek of Vikings' fourth season, it quickly becomes clear that this union isn't going as Rollo had planned.

Left alone to consummate the marriage, Rollo attempts to comfort his crying bride, only to have her pull a knife on him. Of course, poor Gisla is no matching for a Viking warrior. Find out what happens next in the sneak peek above.

Vikings returns Thursday, Feb. 18 at 10/9c on History.