Based on

Movies like Hubby’s Quiet Little Game (1926)

A dancing instructor goes to a married woman's home, to giver her lessons, while her husband is absent. He leaves and goes to a poker game. The husband is one of the players, and the instructor, not knowing who he is, shows her picture around the table. This prompts a round-table discussion in which none of the standard rules for civility is part of the discussion.