Luther Malone is an ex-cop who walks with a cane. Grace Renquist is a librarian who can read auras. Their only common link is the Arcane Society, the secretive paranormal organization that has teamed them up to find a killer.

But even before they reach their hotel in Maui—where they’ll be posing as honeymooners—Grace and Luther feel the electric charge between them. Problem is, they need to remain vigilant day and night, because operatives for the underground group Nightshade are pouring into the luxury resort like there’s a convention. And these criminals aren’t just high-level sensitives: They’ve enhanced their talents with a potent—and unpredictable—drug. And as Grace knows all too well, if you don’t control your powers, your powers will control you....