With his mother dead and his father busy at work, Howie feels adrift in his New York suburb. He and his friend Gary spend their time burglarizing their neighbors' homes — until they make the mistake of robbing the house of Big John, a macho former Marine who is also an unrepentant pedophile. He propositions Howie, who declines, but the two eventually develop an unlikely and dangerous friendship.

Following an unexpected tragedy, child psychologist Malcolm Crowe meets a nine year old boy named Cole Sear, who is hiding a dark secret.

Homicide detective John Hobbes witnesses the execution of serial killer Edgar Reese. Soon after the execution the killings start again, and they are very similar to Reese's style.

In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.