In a bold social experiment, a third-grade teacher in Riceville, Iowa, attempts to teach her students about the nature of prejudice by dividing them based on their eye color. By assigning arbitrary privileges and restrictions to each group, she forces the children to experience the sting of discrimination firsthand. The exercise reveals how quickly and easily children can adopt discriminatory attitudes, highlighting the profound impact of social conditioning and the urgent need for empathy and understanding in a divided society.