In a remote and icy region of Northern Europe, a young prince named Amleth witnesses the brutal murder of his father at the hands of his own uncle. With his heart full of vengeance and a burning desire to restore his honor, Amleth flees from his home and becomes a fierce warrior. Years later, now a large and strong man, an encounter with mysterious Vikings brings him back to the land he once left behind. Guided by ancient prophecies and his voracious need for justice, Amleth devises an intricate plan to reclaim his throne and avenge the betrayal that has marked his life.