Peter Grant, a probationary constable in the Metropolitan Police, expects a quiet career until he interviews a ghost who claims to have witnessed a brutal murder. Recruited into a secret branch that investigates magical crimes, Peter begins training under Chief Inspector Nightingale while pursuing a killer tied to something far older than modern London.

Patricia Campbell feels invisible. As a devoted wife and mother in 1990s suburban South Carolina, her days blur into an endless cycle of errands, dinner parties, and quiet domesticity — until her book club becomes the most exciting thing in her life. A group of women bonding over true crime novels and bottomless glasses of wine, reveling in stories of real-life monsters.