Nachdem sie in jungen Jahren erfolgreich war, nutzt die brillante Siebzigjährige Madeline Matlock ihr bescheidenes Auftreten, um eine Stelle in der renommierten Anwaltskanzlei Jacobson Moore zu ergattern.
Matty beginnt einen neuen Job. Ihr Team verteidigt einen entwicklungsverzögerten Teenager, der des Mordes beschuldigt wird und dessen Familie seine Unschuld beteuert.
Mattys eingerostete Prozessfähigkeiten werden bei einem Fall von ungerechtfertigter Kündigung durch eine Frau, die behauptet, von ihrem Chef sexuell belästigt worden zu sein, auf die Probe gestellt.
A struggling client puts Matlock to the test when his case opens old wounds. Team Unity is put to the test. Hacking inspires an office love connection, and a good-natured offer results in a secret being revealed.
Olympia and Julian revisit a case involving contaminated baby formula and a child's death, revealing flashbacks about their divorce. Meanwhile, Matty's high stress levels make her contemplate resignation.
It's Holiday season at the firm, but there are more than Seasons Greetings in the air. Matlock finds herself in with Big Pharma and in a social media campaign by the opposition. Relationships take turns for the better and worse.
Olympia and Julian clash while representing opposing parties in a heated custody battle. Meanwhile, Matty manipulates the firm's security system for personal gain.
When Sarah's client is arrested for murder after his business partner was found dead, Billy attempts to help her with the case. Madeleine and Olympia contend with a pressing matter that is confidential.
Sarah has to take on her very first trial, a murder case no less. Mattie presses Olympia to prove Julian didn't take a pay-off to destroy the file that she has been looking for. Olympia finds something else that's much worse.