The story is about the Somerville Suns volleyball team facing a challenge without their star player, Mia. Coach Ramirez emphasized teamwork and a player named Lily found a worn-out volleyball with an inscription about believing in the magic of teamwork. The team used this volleyball in a match against last year's champions and were able to win thanks to the unity and harmony they found while playing with it. They continued to win, crediting their success to the lesson taught by the mysterious volleyball. The team placed the ball back at the lake with the hope of inspiring future players and their motto became 'Believe in the Magic of Teamwork'. The story highlights the importance of unity, teamwork, and believing in each other to overcome challenges.