After achieving success in her younger years, brilliant septuagenarian Madeline Matlock uses her unassuming demeanor to make her way into a position at prestigious law firm Jacobson Moore.
Matty starts a new job. Her team defends a developmentally-delayed teen accused of murder whose family claims innocence. Meanwhile, Olympia and Julian clash over a parenting issue. Legal drama explores complex case, family dynamics.
Matty's rusty trial skills are put to the test during a wrongful termination case by a woman claiming she was sexually harassed by her boss. Also, the firm's jury consultant and master lie detector, Shae, joins the case.
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.