Reddick, Boseman and Lockhart represent an African-American undercover cop, Rashid Clarkson, who was left crippled after being shot by another Chicago police officer in the line of duty. The case's opposing counsel is legend Solomon Waltzer, whose tactics have the firm questioning the legitimacy of his evidence. Diane finds herself at a crossroads with both Kurt and Tully.

Blum weasels his way to a co-counsel seat on Reddick, Boseman and Lockhart's largest case against genetics testing company Second Helix. While volunteering as democratic poll watchers in the suburbs of Chicago, Lucca and Jay come face to face with an alt-right group aiming to intimidate voters. Meanwhile, Maia attempts to move on while the partners grapple with a divided firm following revelations of pay disparity.