Former police officer Darby Spencer and her mystery novelist mother Victoria Spencer have opposite personalities but still embark on the unlikeliest of ventures: becoming partners in a private detective agency. They are mistaken as sisters as they tackle puzzling cases in Alder Bluffs.

The unspeakable evil of the soul-devouring djinn rises again in this fourth electrifying installment of the unstoppable Wishmaster horror legacy! But now, as a host of new victims see their most nightmarish wishes come true, the world faces the ultimate demonic terror: an onslaught of multiple djinns hell-bent on destroying everything in their path!