After a financial scam destroys the reputation of lawyer Maia Rindell, while wiping out her mentor and godmother, Diane Lockhart's, savings, Maia and Diane join one of Chicago's preeminent law firms.

Adrian and Barbara face a cruel realization about a high profile client. While second chair to Diane on a case, Lucca is in for more than she bargained for thanks to the state's attorney's office’s golden boy, Colin Morrello. Maia visits her father in prison.

Lucca defends a TV writer-producer in a copyright infringement case with ties to the President of the United States. Meanwhile, Mike Kresteva takes aim at Reddick, Boseman & Kolstad.

Mike Kresteva takes his case against Reddick, Boseman & Kolstad to a grand jury, but the firm devises a grand jury strategy of their own to hamper Kresteva's efforts. Colin finds himself in an awkward position in court.

Diane and Adrian find themselves involved in another police brutality case, this time representing a surprising but familiar face, Colin Sweeney. Lucca represents Maia for her interview with a federal investigator seeking information on the Rindell scandal.

Adrian becomes an overnight celebrity after his candid appearance on a cable news show goes viral. Lucca, who has yet to formally announce her pregnancy, worries about her future at the firm. Meanwhile, Adrian's newfound cable news fame grabs the attention of Chicago's top law firm and the jury of his latest case.

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.

Reddick, Boseman and Lockhart is left in disarray after a partner at the firm becomes the latest "Kill All Lawyers" victim by an unknown assailant. The Chicago police chief causes a stir when he goes after the firm's high profile clients Lemond Bishop and Colin Sweeney as potential suspects. Amidst the chaos, Colin is reminded of his true feelings for Lucca.

While on his way to court with Maia and a witness, Jay is being arrested by the police. When Diana and Liz rush to help him out, they discover that it is an immigration issue and federal agents are about to deport him. Meanwhile, Adrian goes back to work.

Diane and Liz deal with a close ally when assigned to a class action case involving malfunctioning voting machines in the 2016 presidential election. Blum’s domineering tactics continue to push buttons at the firm while he purposefully stalls his work on Second Helix. Lucca is intrigued by a handsome associate of Blum’s.