A cantankerous patient at Community General is given a double injection of his medication, eventually leading to his death. Jack suspects a doctor he's had a grudge against for a long time.
The body of a dead real estate agent is found in the walk-in closet of Mark's sister's new house. Mark and Steve have to work around Dora Sloan's annoying habits while investigating the murder.
A British ambassador is accused of murdering his lover's husband, but rather than hiding behind diplomatic immunity, his New York attorney sends for Matlock to negotiate a solution.
Matlock reluctantly agrees to try to keep Michelle's caustic deejay friend from facing the music when he's accused of canceling a rival jock's show, permanently.
Matlock does the investigating when his friend, a burned-out police captain, constructs an elaborate frame to escape a young cop's accusations of murder.
A distraught man (Mitchell Laurance) takes Matlock's friends hostage and, while they wait for his return, Michelle, Julie and Tyler try to dissuade the gunman with tales of Ben's sly detective work and courtroom heroics.
Aurora finds a member of her crime buff group, the Real Murders Club, killed in a manner that eerily resembles the crime the club was about to discuss. As other brutal "copycat" killings follow, Aurora will have to investigate.
When Aurora pitches in to help her busy real estate mother she quickly realizes she has again walked into a life or death situation. She investigates when the body of a local realtor is found strangled in a backyard.