Best friends since childhood, Smile and Peco are like night and day. While Peco boasts of becoming the world's top ping-pong player yet often shirks practice, Smile, with his hidden talent, holds back during matches. Their unwavering bond is tested when Peco challenges a Chinese ex-national player, leading to a defeat that rattles his core. Meanwhile, Katase's coach recognizes Smile's potential and pushes him to overcome his reservations, even as Peco questions his passion for the game. As they navigate the turbulent waters of competitive ping-pong, facing formidable opponents at the inter-high tournament, the true cost of their ambitions becomes starkly clear.