When a woman goes missing on her fifth wedding anniversary, her diary reveals hidden turmoil in her marriage, while her husband, desperate to clear himself of suspicion, realizes that something more disturbing than murder may have occurred.

For more than ten years, a mysterious and violent predator committed fifty sexual assaults in Northern California before moving south, where he perpetrated ten sadistic murders. Then he disappeared, eluding capture by multiple police forces and some of the best detectives in the area. Three decades later, Michelle McNamara, a true crime journalist who created the popular website TrueCrimeDiary.com, was determined to find the violent psychopath she...

On the occasion of his fifth wedding anniversary, Nick Dunne reports that his wife, Amy, has gone missing. Under pressure from the police and a growing media frenzy, Nick's portrait of a blissful union begins to crumble. Soon his lies, deceits and strange behavior have everyone asking the same dark question. Did Nick Dunne kill his wife?

A reporter confronts the psychological demons from her past when she returns to her hometown to cover a violent murder.