(from NBC's press release, January 2017) Just like their brethren in the Chicago P.D., the State's Attorney's dedicated team of prosecutors and investigators navigate heated city politics and controversy head-on, while fearlessly pursuing justice. As they take on the city's high-stakes and often media-frenzied cases, they must balance public opinion, power struggles within the system and their unwavering passion for the law. At the center of the show is prosecutor Peter Stone (Philip Winchester), the ambitious Assistant State's Attorney and Deputy Chief of the Special Prosecutions Bureau. Relentless in his quest for justice, it's more than a job for Stone, it's a purpose. Son of renowned New York City District Attorney Ben Stone (from "Law & Order"), Stone is shooting at a target that only he can see. This often puts him in direct conflict with Mark Jefferies (Carl Weathers), the Cook County State's Attorney who sees the world through a political prism. While Jefferies believes that a good prosecutor gives the jury and the public a clear, clean and digestible narrative, Stone is convinced the law isn't always best served in a sound bite. Together with their team, Stone and Jefferies strive to bring some much-needed justice to the city of Chicago. The team also includes Assistant State's Attorney Anna Valdez (Monica Barbaro), a passionate newcomer, who's more flexible and willing to bend the rules to get the right result; Laura Nagel (Joelle Carter), a tough-as-nails State's Attorney Investigator that sees each case through the eyes of the victim; and Antonio Dawson (Jon Seda, formerly on "Chicago P.D."), a level-headed and by-the-book detective turned Chief Investigator.