Matlock talks about his career to a law class at university and the subject of `the perfect murder' comes up. When student Eddie Price disappears, the university officials fear that Matlock's speech may have incited one of the students to commit a perfect crime.

When Billy Wheeler comes back to town $250,000 richer 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 try and clear his name.