Five strangers - newlywed serial killers, a suicidal, depressed policemen, and two young runaways with a secret - become suspects and potential victims when a masked murderer makes its presence known in an isolated mountain town.

Lily Pierce is sick of being haunted. She decides to reconnect with her estranged father, a disgraced history professor, and learn how to draw upon a time of steel and blade when armor-clad knights rode out and dueled their monsters to the death.