Thrym’s army of giants stands at the gates of Valhalla. The fate of the gods now lies in the hands of three human children from Midgard. Sofie, Jonas, and Emma journey to the realm of the dead to retrieve the last one who can still stop Ragnarok: Balder. But the god of light is but a faint glimmer of hope in the darkness. For Balder is trapped in Hel, and the final battle has arrived.