Matlock defends Ellen Barrett, a reporter who claims to have killed a mobster in self-defense. However, the police are not convinced by her story and neither is Matlock when some things don't add up.

Matlock questions a journalist's motive for confessing to a murder she didn't commit. Thanks to some detective work by Jerri Stone, Matlock can approach the Barrett case from a new angle.

After a wealthy philanthropist tells Matlock that he is incapable of solving a true murder, he has Matlock's best friend murdered. Now, in order to bring down a diabolical killer, Ben must search for clues that will prove the truth and expose the killer.