Cards on the Table (Dramatised) by Agatha Christie
Some people are playing bridge at a house. They include a group of people that have gotten away with crimes and a collection of sleuths. Then a murder occurs. They all try to identify who may have a motive and ability to commit the crime. There are a few false confessions. However, the detective focuses on the card game to discover the culprit. The way they wrote the bridge scores ends up being a primary clue.
