Harper, a seven-year-old little girl that is typically developing, meets a new friend one day at the pool that is diagnosed with Autism Spectrum Disorder. They both love to swim at the pool and want to play together however, Emma has little communication skills. Emma can make sounds and not words and flaps her hands when she is excited. When Harper realizes she cannot communicate with her new friend she becomes determined to find a way to. She begins to learn about Autism Spectrum Disorder and the different ways that Emma can communicate. Once she does the two  become inseparable. Harper introduces Emma to all her friends and teaches them how to communicate with Emma. Harper and Emma become the center of their circle of friends and have more many more adventures together.