Holly has drifted from one place to the next for as long as she can remember, never settling long enough to build a life. It's the only way she knows how to survive in a world that has no place for someone like her. But when mysterious footsteps follow her home, and she finds a cryptic note taped to her door, she realizes she's stayed too long. The man she's hiding from has found her. But how?   

"I should have tried harder." Those final words are scrawled across a note that’s been pinned to a man's remains. Pulled to a crime scene in the middle of the night, Detective Marx struggles to unravel the mystery behind a message written by the victim. A suicide note...or an admission of guilt? Before he can discover the truth, what seems to be a random act of violence becomes something far more dangerous. With very little evidence and even less time, Detective Marx searches for the common thread between the victims, but his efforts might put him directly in the killer’s path.

EMS helicopter pilot Penny Carlton is used to high stress situations, but being forced to land on a mountain in a raging storm with a critical patient - and a serial killer on the loose - tests her skills and her nerve to the limit. She survives with FBI Special Agent Holt Satterfield's help. But she's not out of the woods yet.

EMT Freya Olson has lost her faith, but not her drive to save those who need her help. When the past that her family left behind after her mother's death shows up in Benson, Freya lands on the target list as well. But things aren't what they seem, and Freya’s loyalty will be pushed to the limit.

The world whipped around her in a dizzying funnel of lights and shouts, people in uniforms pressing in from all directions. Noelle sat motionless in the street, barely able to breathe. His little body was too still. Too broken.