A thimblerigger arrives in Laramie saying he is out to destroy a man. He states the man is a coward who deserted his bride and lied about it. The thimblerigger plans to expose the man and challenges every man to pick a shell. A pea under the shell indicates the party he wants to expose. Pressure develops in the community for every man to play but one man is reluctant and Troop attempts to protect him.