Ten years after the defeat of Voldemort, the whole world seems to be coming to an end. A desperate Hermione Granger sets out in a suicide mission to stop the horrific Malleus Deorum faction, and their fearsome leader Nox, from eliminating all remaining magic from the planet.

It's the mid-1920s. Tensions in the wizarding world mount as radical dissident Gellert Grindelwald gains more and more followers. Amidst the growing climate of fear and violence, Celestia Prewett must uncover the truth behind the myth of the frozen heart, the only entity that can undo a terrible wrong.