Wanda Petronski, a quiet Polish immigrant girl, claims she has one hundred beautiful dresses at home, though she wears the same faded blue dress to school every day. Her classmates Maddie and Peggy lead the teasing about the dresses, until Wanda suddenly stops coming to school. When the class holds a drawing contest, they discover Wanda's stunning artwork of one hundred dresses, revealing her talent and the painful truth behind her claim. The story explores bullying, empathy, and the courage it takes to stand up for others.