Nessie loves Sundays because she gets to sing out loud in front of her friends and family, making it her best day of the week. On Mondays, she eagerly practices with her mom to prepare for the next Sunday. After completing her chores and schoolwork, she impatiently waits for her mom to finish cooking dinner so they can start practicing. In the meantime, Nessie attempts to learn the piano, with a little help from Uncle OT. Although her progress is slow, she remains determined. After dinner, Nessie helps clean up and finally gets to practice singing with her mom. Together, they explore singing with different instruments, and Nessie discovers she loves singing with the piano because it makes her voice sound stronger. This heartwarming story captures Nessie's dedication, patience, and love for singing, as she learns the value of practice and perseverance.