Picking up one year after the events of the final broadcast episode of "The Good Wife", an enormous financial scam has destroyed the reputation of a young lawyer, Maia Rindell, while simultaneously wiping out her mentor and godmother Diane Lockhart's savings. Forced out of her law firm, now called "Lockhart, Deckler, Gussman, Lee, Lyman, Gilbert, Lurie, Kagan, Tannebaum & Associates", they join Lucca Quinn at one of Chicago's preeminent law firms.
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.
The world went crazy in the second season, and now, in season 3, the resistance does. Diane Lockhart tries to figure out whether you can resist a crazy administration without going crazy yourself, while Adrian Boseman and Liz Reddick-Lawrence struggle with a new post-factual world where the lawyer who tells the best story triumphs over the lawyer with the best facts. Meanwhile, Lucca Quinn balances a new baby with a new love, and Maia Rindell finds a new Mephistopheles in Roland Blum, a lawyer who is corruption incarnate.
The Chicago murder rate is on the rise, and amidst the insanity, Diane, Lucca, Maia, and the rest of the law firm find themselves under psychological assault when a client at another firm kills his lawyer for overcharging. Following a copycat murder, the firm begins to look at its own clients suspiciously. Meanwhile, Diane battles with a new partner at the firm, Maia becomes tougher after her parents' scandal puts her on trial, and Lucca is brought back into the orbit of Colin.
Due to an enormous financial scam, in which they lost all their savings and reputation, the first season follows Diane Lockhart and her goddaughter Maia Rindell as they are forced to join Lucca Quinn at one of Chicago's preeminent law firms.