After being rescued from the Paradoxial Black Holes at Skrymers Glove, the human children Tjalfe and Roeskva have been placed in a memory wiping machine by their Aseir and Vane friends to be hidden on Earth a thousind years after their birth. But the plan does not succeed and the children find themselves waking up onboard the Aseir ship, Alfheim, as they are attacked by forces presumably send by Gilling and Fenris, who have assumed command over Skryms territory. At the same time Balder has gone missing after a test drive of the new Aseir ship, Mjolnir, with Thors new devastating weapon The Hammer built in. Who has captured Balder and why does Trym, the strange isolated commander of planet Muspelheim, wish to marry Freya? Gates of Utgaard is #2 in the series of "The Fyrkat Project."