For Connie Boyle, a job at the Hayfork, Kansas library was just an excuse to get away from her abusive husband. But when she learns that she's the only one who can hear the not-so-dead specter haunting her workplace, she vows to find out what happened to the ghostly teenage Wallflower.

Working in secret, Connie and Wallflower find strength in their unorthodox friendship as they track down leads to Wallflower's identity. But the answer is closer than they realize when Connie inadvertently uncovers the bloody wake of a serial killer. Allies become suspects and suspects become allies as everyone in sleepy Hayfork has murderous potential.