Mike Kresteva takes his case against Reddick, Boseman and 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.
Despite the tension between them, Liz and Diane represent a family suing the Chicago police for violence against their daughter. Marissa is the prosecutor in judge Wackner's court.
Diane takes on a new client who is accused of cyber-terrorism; an accident brings Diane and Kurt together; Henry reveals new truths about the scandal to Maia.
Tensions remain high when the firm learns another Chicago lawyer has been murdered by a client; Liz positions herself as a potential ally for Diane; Maia's trial takes an unwelcome turn.
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.
The firm defends a TV writer who released an episode of a TV show, even though the network postponed airing it several times, ultimately benching the writers episode. Elsbeth returns to help the firm when Kresteva tries to attack the firm.