Jerry, George and Elaine visit a new soup stand. Jerry explains that the owner, Yev Kassem, is known as the "Soup Nazi" due to his insistence on a strict manner of behavior while placing an order, but his soups are so delicious that the stand is constantly busy. En route, Elaine notices a man on the sidewalk with an armoire for sale. She forgoes the soup in favor of buying it. However, her building superintendent informs her that furniture move-ins are not allowed on Sundays, so she asks Kramer to watch the armoire and promises to get soup from Kassem for him in return. While she is away, Bob and Cedric bully Kramer and steal the armoire.
At the soup stand, George complains about not receiving bread with his meal. When he presses the issue after being expected to pay for it, George's order is taken away and his money returned. On a subsequent visit, George buys soup, but Elaine, having scoffed at Jerry's advice on how to order, draws Kassem's ire and is banned for a year.
Jerry and his girlfriend Sheila visit the soup stand. Kassem is repulsed by their kissing, so Jerry disavows Sheila to stay on Kassem's good side. Jerry talks about the breakup with George, who expresses disgust at Jerry and Sheila's baby talk and public displays of affection. Undeterred, Jerry makes up with Sheila at Monk's. George tries to teach him a lesson by behaving similarly with Susan, but this only leads to escalating affection between the couples as Jerry and George struggle to out-disgust each other. Susan is charmed by George's public show of affection and continues to mirror this behavior. Sensing George's discomfort at this, Jerry gloats by informing him that he and Sheila have broken up again.
Kramer, who has befriended Kassem, tells him about the armoire theft. Kassem offers him an armoire he has in storage as a replacement. Elaine is elated and goes to Kassem to thank him. When Kassem learns the armoire was for Elaine, he says he would rather have destroyed it than give it to her. Elaine returns to her apartment with Jerry, where they discover Kassem's soup recipes in the armoire. Vowing revenge, Elaine returns to the soup stand and confronts Kassem with the recipes, stating her intent to publicize them.
Jerry encounters Newman, who is running to get a pot from his apartment. Newman tells him that because of what Elaine said to Kassem, he is giving away whatever soup he has left, closing down his stand, and moving to Argentina. Jerry runs towards the soup stand.
