Hel is in ruins, rumors of the destruction spreading like Muspell fire. As Jenna struggles to hold on to Bren in the aftermath, her connection to Loki intensifying into something neither of them can control, an unsettling visit brings bleak news to Yew Dales...Their transgressions in the underworld have released a dark force that threatens not only Jenna and her loved ones, but the stability and order of the nine worlds.

The Bergan family must play a dangerous game to lure the threat into their midst. They will have to risk everything they have, and the chances of success are slim.

But one thing is certain – the rules have changed, and when the dust settles, nothing will be the same.