Diane is encouraged to "do something" after meeting the leader of a female resistance group whose aim is to sink POTUS' approval rating. Maia and Blum's plan for a plea deal goes awry when Assistant State's Attorney Spencer Zschau takes over the case. Lucca receives a surprising new divorce referral while Marissa helps Julius find a campaign manager to support his run for federal judgeship.

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.

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.

Blum is out for revenge when he represents a group of Reddick, Boseman & Lockhart's ex-clients who claim the firm overcharged them. When Lucca finds out she's a candidate for an open partner position, she begins to question her reputation within the firm. Meanwhile, Diane helps Kurt with a work project.

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. Lucca is given an exciting, high-profile divorce case.

When DNC head Frank Landau asks Reddick, Boseman & Lockhart for help with a plan to engage African-American voters, the resulting discussion turns personal for one of the partners.

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.

Reddick, Boseman & Lockhart represent an Olympic hopeful who was edged out of a spot on the U.S. women's swim team due to a last minute change to the eligibility window.

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