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.

Michael and Katherine have enjoyed a long relationship together even before they tie the knot. But Michael does not hide the fact he's a womanizer and sex addict, cheating on Katherine during their pre-married relationship. Because Katherine is genuinely in love with him, she is willing to overlook this and believes that perhaps marriage will change things.