Carl Reddick makes a surprise return to the firm, a well-known local pastor seeks the lawyers' help and Lucca unexpectedly meets Colin's parents.
An unfortunate event brings the firm together, along with the prospect of a new name partner. Diane struggles to grapple with the insanity of the world, and Maia is confronted with another hurdle in her parents' scandal.
Diane and Adrian represent a surprising but familiar face in a police brutality case. Lucca helps Maia at her interview with a federal investigator.
Tensions remain high when the firm learns that another Chicago lawyer has been murdered by a client. Liz has her first day at Reddick.
Diane takes on a client who's accused of cyber-terrorism, but there are unexpected repercussions for the firm, and an accident brings Diane and Kurt together.