In 1989, a series of murders unfolds along highways in Central Florida. The body of Richard Mallory is discovered, setting off a ten-month spree of violence targeting middle-aged men. As bodies pile up, Detectives Brian Jarvis and David Taylor race to connect the dots. An abandoned car leads to the disappearance of Peter Siems, triggering a search for two women. The investigation takes a turn when pawned belongings link back to a criminal database, revealing a shadowy figure behind the crimes.