Decades after the World Tree War, ex-Dragon God Nidhogg hides in plain sight with his daughter Fennica. Her arranged marriage to Joss becomes a nightmare as he drains her dragon blood. On their wedding day, he strips her of all her vitality, leaving her comatose. Enraged by this betrayal, Nidhogg sheds his disguise. He fights to rescue his daughter from the clutches of the man who sought to destroy her.