Twin sisters Svanhilde and Gisele are blessed with Seidr, the rare gift of seeing and shaping the threads of fate. While Gisele's strength lies in prophecy, studying under their mother the village seer Svanhilde longs for a much different path. Dreaming of becoming a warrior in a world that expects her to be otherwise, she steals away whenever she can to train with their uncle.
Their lives are shattered when a mysterious people invade their village, leaving death and ruin in their wake. Stripped of the family and home they've always known, the sisters set out to uncover the truth behind the attacks and to exact their revenge.
But along their journey, they're led beyond the world of mortals as they come face to face with the very gods they are taught to worship. They soon realize that their gods are neither distant nor benevolent and that fate itself can be rewoven.