A storm brews when revelations of past indiscretions involving a partner come to light; An incident pushes Diane to her breaking point; Lucca is brought a new opportunity; Marissa teaches Maia to toughen up.

Corruption incarnate enters the courtroom in the form of attorney Roland Blum, Maia's new co-counsel on a murder trial; Lucca is skeptical of the firm's new head of matrimonial law's qualifications.

Diane meets 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; Lucca receives a surprising new divorce referral.

Blum weasels his way to a co-counsel seat; Lucca and Jay come face to face with an alt-right group aiming to intimidate voters; Maia attempts to move on; The partners grapple with a divided firm following revelations of pay disparity.

Celebrity hairdresser Wade V seeks Lucca's help; Blum makes his presence well known, rattling some partners more than others; Diane takes her axe throwing to the next level.

Diane and Liz deal with a close ally when assigned to a class action case involving malfunctioning voting machines in the 2016 presidential election.

Felix Staples rattles the firm when he returns with a case against ChumHum, bringing along a familiar face as his representation, Solomon Waltzer. Diane receives a mysterious note at home, leading Kurt to question what she's been up to.

Reddick, Boseman and Lockhart is asked by ChumHum to bring on a specialist, lawyer Brenda DeCarlo, to investigate any remaining misconduct or cultural issues within the firm.

Blum is out for revenge when he represents a group of Reddick, Boseman and Lockhart's ex-clients who claim the firm overcharged them.