Three salesmen working for a firm that makes industrial lubricants are waiting in the company's "hospitality suite" at a manufacturers' convention for a "big kahuna" named Dick Fuller to show up, in hopes they can persuade him to place an order that could salvage the company's flagging sales.

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.