Harlynn and Ava stroll through their quiet town, noticing the worry etched on the faces around them. Concerned about the unusual stillness, they decide to seek help from Mr. Jenkins, who reveals a troubling math puzzle affecting the town's farms and factories. Excited to tackle the challenge, the girls analyze the data and discover that the farms are overusing water and the factories need to adjust their products. With this insight, they propose a plan to conserve water and support local businesses. The townspeople rally together, inspired by the girls' ideas. Mr. Jenkins proudly acknowledges Harlynn and Ava as heroes for their problem-solving skills, and the community cheers, united in their efforts to revive Willow Creek. The girls feel accomplished, knowing they made a positive impact on their town.