With a rising serial killer on the loose and an increase of dead bodies being discovered in their small town of Havenswood, Riley Summers is terrified to discover that Caroline Evans is missing. She knows there was something strange about her sudden disappearance and she is hellbent on finding out what secrets her best friend was keeping from her. With a persistent stalker, confusing clues and threatening letters making an entrance in Riley's life, she only knows one thing for sure - she's not alone in her search for Caroline, and she prays to God that she manages to find her first. If she doesn't, the whole towns going down in fire and smoke.