Minerva Winters, the head witch of the greater Manhattan area, experiences an unforeseen twist when an otherworldly visitor named Mizeriel, an Archangel of heroic stature, arrives with news of a missing Cherub. Reluctantly, Minerva joins forces with Mizeriel to locate the elusive celestial being, deeply concerned about the consequences of its presence in her city.
As they delve into the mystery surrounding the Cherub's disappearance, they seek assistance from Minerva's boyfriend, Oliver, a charismatic musician with a fervor for adventure. Together, they embark on a journey that leads to unexpected revelations about parallel worlds, the influence of belief, and the intricacies of morality.