When Ally is diagnosed with leukemia, her entire world changes. She is forced to deal with mature issues at a young age- being stuck in a hospital, chemotherapy and the psychological effects of hair loss. With the help of her parents, a new friend, and a wig shop owner named Miss Harriet, Ally begins to fight back. She begins visualizing new, creative ways to fight the rogue cells causing her harm. When Ally goes into remission, she knows she is very different from the girl she was before cancer. She has become someone completely different, something even better. By keeping her promises to Harriet, Ally learns to believe in her own strength and the gift of giving back.