After the Inter-High, Karasuno High School's volleyball squad reunites for a rigorous training camp arranged by Nekoma High School in Tokyo. However, the team experiences multiple defeats against their competitors, leaving them at a standstill. Each player faces a challenge in breaking out of their comfort zone to improve their abilities. The team's star players, Shouyou Hinata and Tobio Kageyama, struggle to adjust the most. Hinata attempts to develop a unique gameplay style, but his recklessness results in being out of sync with Kageyama's sets, earning the setter's frustration. In search of a solution, they seek guidance from an unexpected source to overcome their limitations. Will this help turn the team's fortunes around?