Aslaug, the daughter of the dragon-slayer Sigurd and the valkyrie Brynhild, awakens from a long slumber under a magical silver harp. Emerging into a world devoid of gods but teeming with men, she finds herself in 9th Century Scandinavia. It is here that she crosses paths with Ragnar, a spirited young Viking warrior who pledges allegiance to the vanished Norse deities and seeks a place in Valhalla. This unexpected encounter marks the convergence of the final Valkyrie and the last Einherjar, sparking a destiny that intertwines their fates.