When aristocrat Cedric meddles with perilous rituals after inheriting his father's estate, PI Blackwood must swiftly uncover occult secrets festering inside the labyrinthine Nightingale mansion. But Blackwood suspects Cedric's sister Elara is hiding the full truth. Delving into mystical underworlds to halt supernatural forces threatening the family, Blackwood risks confronting harrowing evils past mortal comprehension. For the right price, he's willing to stare into Shadowhaven's mystic abyss.