Odin’s huntsmen attack Sigrid’s crusaders on their treacherous journey to Vanaheim. Thor and his mortal enemy come face to face in combat.

Leif and Loki find themselves trapped in a cursed realm. A pack of First Wolves aids the warriors. Sigrid’s story attracts surprising new allies.

In the underworld, Loki sets a plan in motion. Sigrid and Leif recruit a band of warriors and launch a quest for weapons made of god-killing iron.