Junior high school student Shōyō Hinata gains a sudden love of volleyball after seeing a national championship match on TV. Although short in height, he becomes determined to follow in the footsteps of the championship's star player, nicknamed the "Little Giant", after seeing his plays. He creates a volleyball club and begins practising by himself. Eventually 3 other members join the team by his last year of middle school, pushing Hinata to persuade his two friends who are in different clubs to join just for the tournament. However, they are defeated in their first tournament game after being challenged by the championship favorite team, which includes the so-called "King of the Court" Tobio Kageyama, in the first round. Though Hinata's team suffers a miserable defeat, he vows to eventually surpass Kageyama and defeat him. Fast-forward to highschool, Hinata enters Karasuno Highschool with the hopes of joining their volleyball club. Unfortunately for him, the very person he swore to surpass appears before him as one of his new teammates.