Amateur profiler Peter Brendt believes that not just one, but two active serial killers, are responsible for the ten bodies discovered along Ocean Parkway.

Josh and Rachel investigate the death of a young escort, then probe similarities between a serial murder case in Atlantic City, New Jersey and the killings at Gilgo Beach.

Josh and Rachel continue their hunt for the Eastbound Strangler and a call with an anonymous Web detective sends them to a site where the four women may have been killed. A sex worker believes she met the killer.

A chance encounter with the daughter of one of the Daytona Beach serial killer's victims propels Josh and Rachel to investigate a string of leads.

Josh and Rachel begin a cross-country journey to research long-haul truckers who moonlight as serial killers, and hear firsthand accounts of the dangers experienced by women who work truck stops.