The wedding of Sigrid and King Leif ends in tragedy when Thor unleashes his wrath upon the ceremony, sparking a vow of vengeance from the bride-to-be.

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.

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

To obtain a bushel of enchanted apples for the Vanir gods, the warriors must bloody their swords in a fight against the beast guarding the orchard.

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.

On the eve of war, Sigrid and her companions share fantastic tales of magic and honor. Passions ignite around camp, and Odin issues a dire warning.

The epic battle begins as mortals, giants and Vanir deities clash swords with Thor and his Aesir soldiers. A risky secret mission ends in bloodshed.