A trail of dead bodies throws Texas Ranger Faith McClellan into a race to catch a serial killer obsessed with stealing organs...The Rangers are running an active shooter simulation in an empty mall when they find a young woman's body, wrapped in plastic in a mechanical closet. When the medical examiner discovers that this woman is missing several organs, it is Faith's first clue that this is not your average murder.Soon, Faith discovers a trail of bodies matching the killer's M.O., all stored in remote indoor locations, all with organs removed, each one closer to the last. With the missing organs affecting the decomposition timeline, it's almost impossible to pinpoint the time of each murder, and the investigation takes on a life of its own.Faith will risk everything to put a stop to the murders - but the killer is smarter than she thinks, and they won't hesitate to cut down anyone who interferes with their lethal plan...