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.

A Democratic National Committee consultant, Ruth Eastman, approaches Reddick, Boseman and Lockhart to develop a confidential impeachment strategy for the DNC against President Trump, leaving the firm's partners at odds. After an impromptu visit from Colin's mom, Lucca is left feeling suspicious of her motives. Maia is intrigued by Ruth's assistant, Carine.

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 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.