As Haruka Nanase and his friend Makoto start their new life at Iwatobi Junior High School, they join the swim team and set their sights on competing in the medley relay. Alongside Asahi Shiina and Ikuya Kirishima, the four students with diverse perspectives and personal struggles, their practice is hindered by their individual goals and motivations.
High Speed! Free! Starting Summer
The next movie follows the journey of four new friends as they join the swim team and strive to become the top medley team, learning valuable lessons about teamwork, perseverance, and friendship along the way.