Matlock - Season 8 Episode 17
The Murder Game

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.