 As a bridegroom-to-be is preparing for a bachelor dinner with some friends, one of his friends sends word that he will be unable to attend. For fun, the group decides to invite as a substitute the first man who passes by outside. The first passer-by turns out to be an older man, who reluctantly joins them. He tells them how, at his own bachelor dinner, he suddenly discovered that his fiancée had left to marry another man. He goes on to describe how this incident has affected him for the rest of his life.