When a documentary filmmaker sets out to tell the story of one of the biggest serial killer cases in California history, he uncovers a terrifying tale that begins with the disappearance of Paul Cosner.
With the discovery of Leonard Lake's cabin, investigators find the hidden cell where Lake kept his victims and begin to dig up human remains. They also unearth Lake's recorded manifesto, which details his depraved plans for "Operation Miranda."
When Lake's accomplice, Charles Ng, flees the country, an international manhunt ensues. The victims' families, including Paul Cosner's sister, Sharon Sellitto, fight to bring Ng to justice and answer for the crimes he committed with Leonard Lake.
