Detective Joe Peters has been accused of taking bribes and murdering a fence, and also suspected in the death of a fellow cop. When it comes right down to it, one of the other cops on the force was more involved than they should have been.

When a down-on-his luck Santa Claus (Tom McCabe) is accused of killing the landlord who was about to evict not only him but everyone else in the apartment complex, the people in his building take up a collection and come to Matlock to ask him to defend him. They may not like Tom, but none of them believe him guilty of murder. Matlock ignores his own misgivings about a man he can't help but dislike and agrees to defend Tom.

When Brian Emerson is arrested and charged with his wife's murder, Matlock takes the case, waiving his usual fee. His efforts to get the father out on bail fail when he lands a judge who has lost his Christmas spirit, and Matlock takes the young girl in with him.

Michelle is taken hostage by Ned Billings, who blames Matlock for his brother (James Billings, The Professor) committing suicide after being convicted of murder, thanks to Ben. Tyler and Julie also show up and end up as Ned's hostages, and they try to use the tactics they've seen Matlock use in courtrooms and interrogations to stay alive and convince Ned not to kill Ben.

When Chris Reardon, a man determined to bring the sixties back into the late eighties, is charged with murdering mayor Brian Barelli, reporter Paul O'Neill brings Matlock to Chicago to defend him, convinced of his innocence. Matlock reluctantly agrees to follow through with the case after realising O'Neill tricked him, because he knows that dropping the case will seriously hurt Reardon's chances.

Paul O'Neill heads to Texas to get his hands on Eddie Lomax, whom he believes to be the real killer. Matlock realises that a land scam is behind everything, and enlists an unlikely ally...the dead man's wife.

Matlock has finally had the breakthrough in the case he was struggling with, but after being hit by a car, he needs to put the case together from scratch. Unfortunately, his nurse isn't too pleased to see him trying to work, and does her best to make sure he gets the rest he needs.

When Elizabeth, a friend of famous novelist Cynthia Slayton, is found dead after taking Cynthia's prescribed allergy medication, suspicion falls on Cynthia's long-suffering husband Philip, a friend of Julie's. While trying to clear his name, Julie realises that not everything is as it seems in the Slayton house.

Matlock retires from law after bungling up a case and forgetting his client's name. He heads out of town to do some fishing, but after a hitchhiker he gave a lift to dies mysteriously, he sticks around to investigate the case.

When Billy Wheeler comes back to town $250,000 richer after having won the lottery, he soon falls for contractor Judy Wilson. Unfortunately, when she takes him and every other partner for a ride, Billy is accused of her murder, and Matlock has to clear his name.

Matlock reluctantly agrees to spend the weekend as part of a murder mystery with Cliff, Leanne, and three people who each paid $10,000 for the privilege of matching wits with Ben Matlock. When the pretend victim turns up really dead, they know that one of the three paying visitors killed him. Leanne has her father keep the three suspects occupied with stories of previous cases while she and Cliff investigate.

Julie returns to Atlanta from L.A. for a legal conference, and when a former snitch calls her to the jailhouse and admits that she lied, Julie convinces Ben to defend the man, an admitted thief who had one cardinal rule...never break into a house when anyone is home. After Jerri talks with Susan Kellogg, a woman who lost her daughter to a hit-and-run driver around the same time that Brenda Chaney was murdered, Matlock realises there may be more to this case than meets the eye.