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.

The office must survive after being trapped by white supremacists.

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.

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.

At Circuit 9 3/4 court, Marissa is assigned to "prosecute" two contrasting "cancel culture" cases, which both leave her questioning the intentions of Wackner, David Cord and Del Cooper. The tension between Diane and Liz increases while they work together on a high profile case against the Chicago PD.

Diane takes on a new client who is accused of cyber-terrorism, resulting in unforeseen repercussions for the firm, especially Lucca. An accident brings Diane and Kurt together. Henry reveals new truths about the scandal to Maia.

Diane and Marissa find themselves arguing at the Circuit 9 3/4 Court, led by the quirky "Judge" Hal Wackner. Meanwhile, Carmen Moyo proves herself to be an effective, yet underestimated, new associate.

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.

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.

Tensions remain high when the firm learns another Chicago lawyer has been murdered by a client. Liz has her first day at Reddick, Boseman and Lockhart and positions herself as a potential ally for Diane. Maia's trial takes an unwelcome turn when a surprise witness is called to testify against her - and Lucca and Colin go head-to-head in court.

The FBI question Diane as part of a job background check on Kurt, leading to unexpected and serious consequences. The mayor of Chicago invites Adrian and Julius to join a 'think tank' tasked with figuring out how to spend funds that will address the "Kill All Lawyers" problem. Chaos ensues in the delivery room after Lucca goes into labor early.

A flashback to 2020 reveals how the team at Reddick, Boseman & Lockhart experienced the year's major events.

Diane raises eyebrows while settling in as a new partner at Reddick, Boseman & Kolstad. Maia continues to deal with the repercussions of her family's Ponzi scheme. Lucca and Maia unexpectedly pick up a new case.

Reddick, Boseman and Lockhart represent a young woman who was assaulted while a contestant on the reality dating show "Chicago Penthouse." Meanwhile, Diane fears she might be the next "Kill All Lawyers" target.

Liz decides to represent her son's favorite teacher after she senses the school fired him for illegitimate reasons. Lucca enlists the help of Elsbeth Tascioni when an unanticipated lawsuit hits close to home. Despite the recent chemical scare, the firm throws a party to celebrate their new offices.

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.

A former divorce client, Duncan Herz, seeks the firm’s help, claiming a buzzy new play running in Chicago is based on his divorce and shares specific details that unearth more than just his dirty laundry. Diane attempts to get to the heart of Memo 618 when a missing case leads her to the corporate overlords themselves, STR Laurie.

Diane is aghast when Kurt reveals he recognized the face of a man featured in a U.S. Capitol insurrection "Most Wanted" poster. Intrigued by Wackner, Marissa sneaks over to his copy shop "courtroom" and is thrilled by what she encounters. Back in legitimate court, Liz uses a current case to tackle Section 230.

Eli Gold's trial is underway, with Marissa Gold as part of his legal team. Liz and Ri'chard attempt to solidify their working relationships leading to a surprise discovery about Ri'chard's history and Liz's father. The firm attends a Democratic fundraiser.

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.

Heated debates occur at the firm when Liz and Maia represent a well-known photographer, Ron Williams, suing a woman who provided an account of their relationship to a website. Jay continues to investigate possible suspects in Adrian’s shooting while Diane receives surprising news from her accountant.

Reddick, Boseman & Lockhart attempt to adjust to their new landscape as a small subsidiary of STR Laurie, a huge multi-national law firm. Diane encounters a familiar face in court, Louis Canning, during an eminent domain case against a large real estate developer, Rare Orchard. Lucca is given an exciting, high-profile divorce case, however it comes with an unexpected partner, David Lee.

When a comedy streaming network executive, Del Cooper, asks Liz to conduct a sensitivity read on one of his comedians, the entire firm ends up fighting over how comedy and 'cancel culture' collide. Meanwhile, FBI agent Madeline Starkey goes after Kurt for his alleged involvement in the U.S. Capitol insurrection.

Ri'Chard's nephew loses his bone marrow donor and it's all hands on deck at Reddick & Associates to save his life. In the midst of the search, Liz discovers Ri’Chard has a hidden agenda.

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.