The bodies of 10 murder victims tied to the sex trade are discovered along a highway, and the identity of the killer remains a mystery five years later.

Amateur profiler Peter Brendt’s shocking reveal that not just one but two active serial killers are responsible for the ten bodies discovered along Ocean Parkway compels Josh and Rachel to examine a series of mysterious torso killings ascribed to the “Butcher of Manorville” which have become linked to the Long Island Serial Killer case. The filmmakers have an unexpected breakthrough when they locate the former pimp of one of these victims who in his first media interview points out major flaws in the Long Island Serial Killer investigation. The interview prompts Josh and Rachel to reexamine a crucial piece of evidence, which is stirring an online rumor mill when a potential suspect commits suicide. Meanwhile, a web sleuth shares a promising lead for a match to one of the unidentified that could break the case wide open.

In the wake of Shannan Gilbert’s funeral, family lawyer John Ray presents Josh and Rachel with confidential testimony that implicates a local doctor and Oak Beach resident in the death of the young escort. Yet, a critical questions remains unanswered, is Shannan’s death connected to the four escorts discovered at Gilgo Beach? In order to find out, Josh and Rachel return to the secluded Oak Beach community where one family despite threats from several residents is willing to speak out. Meanwhile, rumors surface that the murders at Gilgo Beach are linked to a serial murder case in Atlantic City, which took place less than five years prior and offers eerie similarities. They decide to pay a visit to the City of Sin.

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. A phone call with the family of one of the victims propels the film makers to find out why this case hasn’t been solved, leading to an encounter with a sex worker, who believes she came face to face with the Eastbound Strangler. Eventually a call with an anonymous web sleuther sends Josh and Rachel to the site where the four women were possibly killed before they discover that the answer to this puzzle might lie outside Atlantic City.