The trickster god Loki describes the rise and fall of the gods of the Norse, detailing how he left Chaos to serve Odin until the fall of Asgard.

Ragnarok was the End of Worlds. Asgard fell, centuries ago, and the old gods have been defeated. Some are dead, while others have been consigned to eternal torment in the netherworld - among them, the legendary trickster, Loki. A god who betrayed every side and still lost everything, who has lain forgotten as time passed and the world of humans moved on to new beliefs, new idol and new deities . . . But now mankind dreams of the Norse Gods once again,...

"When Lena's younger sister Fressa is found dead, their whole Viking clan mourns-but it is Lena alone who never recovers. Fressa is the sister that should've lived, and Lena cannot rest until she knows exactly what killed Fressa and why-and how to bring her back. She strikes a dark deal with Hela, the Norse goddess of death, and begins a new double life to save her sister. But as Lena gets closer to bringing Fressa back, she dredges up dangerous discoveries...