After witnessing the largely obscure Karasuno High School dominate a volleyball practice match, incoming first-year student Shouyou Hinata aims to join their squad as the ace. Regrettably, his short height and absence of experience in official matches provoke the hostility of Karasuno's existing members, including the team's renowned setter Tobio Kageyama. Resolute in proving his capability—and driven by a strong urge to demonstrate Kageyama's error—Hinata starts training and refining his abilities to rise above them all.