When John Standcliff, Satan's bounty hunter, is summoned to Earth to claim the soul of a serial killer, he finds the worst of hell's tortures can be no worse than the pain of falling in love with a mortal woman.

Corinne Rogerio has come to Maine to research six murders that took place back in 1675. She has no idea the handsome stranger she meets in an old cemetery is actually the murderer she's been studying. Even worse, he's been sent to track down a serial killer who is closer to her than she ever imagined.