This is the first of three young adult novels from New York Times bestselling author Mackenzie Lee that explores the untapped potential and duality of heroism of popular characters in the Marvel Universe.

Long before the events of The Avengers, young Loki is desperately trying to prove to others that he is capable of heroism; however, everyone still seems to expect only vile and immoral actions from him... Everyone except Amora. Loki sees a kindred spirit in the Asgardian enchantress - one who values magic and knowledge and is able to see the best qualities in him.

But when Loki and Amora cause the destruction of one of Asgard's most valuable possessions, Amora is banished to Earth, where her powers slowly and inevitably disappear. Loki loses the only person who saw his magic as a gift and not a threat. Living in the shadow of his beloved brother, Thor, Loki sinks deeper and deeper into despondency.

However, when traces of Asgardian magic are found in a series of mysterious murders on Earth, Odin sends Loki to understand what happened. Finding himself in nineteenth-century London, Loki begins an investigation that leads him not only to the capture of a murder suspect, but also to the answer to the question of the source of his power, and who he is destined to be...