5 Card Stud (1968)

In '5 Card Stud' (1968), a friendly poker game turns deadly when one of the players is found cheating and is lynched by the others. As the players are murdered one by one in a similar fashion, suspicion and paranoia grip the town. A new player, played by Dean Martin, tries to uncover the killer's identity before becoming the next victim. The movie explores themes of revenge, betrayal, and the consequences of mob justice.