Along a desolate stretch of highway, police discovered the bodies of ten murder victims, all connected to the sex trade. Five years after the trail goes cold, filmmakers Josh Zeman and Rachel Mills set out on the case of the Long Island Serial Killer.
The possibility that not one but two active serial killers are responsible for the ten bodies discovered on Long Island compels Josh and Rachel to examine a series of mysterious torso killings ascribed to the "Butcher of Manorville.”
Josh and Rachel learn of a local doctor implicated in the death of Shannan Gilbert, a young escort. But is she connected to the women discovered at Gilgo Beach? Meanwhile, rumors surface that the Gilgo murders are linked to a case in Atlantic City.
Josh and Rachel continue their search for the Eastbound Strangler in Atlantic City. They revisit the motel where the bodies were dumped and tour the site with a man who at the time was the police's person of interest.
Josh and Rachel look into the case of the Daytona Beach Serial Killer in Florida. A chance encounter with the daughter of one of the victims propels them to investigate a string of leads—one that extends far beyond the beaches of Daytona.
After a private investigator's revelation that there are long haul truckers moonlighting as serial killers along America's interstate system, Josh and Rachel begin a cross-country journey to research these killers on wheels.
Discovering that the current systems in place to detect serial killers are severely broken, and suffering from an inability to connect the dots, Rachel and Josh head to New Mexico to experience firsthand just how bad things have become.