When Abigail Chapman returns from Spain after being acquitted for murdering her boyfriend while studying abroad, she finds herself the prime suspect in another murder case involving a young college student. During the trial of the real killer, the Second Amendment is put to the test.
Just like their brethren in the Chicago P.D., the State's Attorney's dedicated team of prosecutors and investigators navigates 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. And it all starts with a gut-wrenching case when one of Chicago's finest is shot in the line of duty.