 Based on the real serial killer Charles Chitat Ng from Northern California, who was convicted of the murder of over 11 individuals. Along with his accomplice, Leonard Lake, they videotaped themselves with women they held captive in their survival bunker, built in the foothills of the Sierra Nevada. With powerful performances and a striking cinematic look,  Ng  is based on the true events of the Northern California serial killers and their victims.