When Jill Hunter, an ex-homicide detective turned freelance investigator receives an anonymous note, at first, she thinks it’s an old colleague intent on upsetting her. She soon learns there’s more to it when she receives the next note. Jill must try to find the anonymous sender before he kills again. He might have pinned the last murder on someone else, but Jill is determined to stop him from doing that again. With only her wits and intuition, Jill goes after the dangerous man, chasing him across the country and back again in the hope of preventing him from killing again.