Dick Wolf's Chicago universe expands into the city's State's Attorney's office, where a dedicated team of prosecutors and investigators navigates the challenging world of politics and controversy while fearlessly pursuing justice. The city's high-stakes cases often capture the attention of the media, forcing State's Attorney Mark Jefferies, Assistant State's Attorney Peter Stone, Chief Investigator Antonio Dawson and Investigator Laura Nagel to balance public opinion, embedded power struggles and their unwavering passion for the law.