Oki is a track and field coach at a university. Tadai is a first-year student, the daughter of someone who used to coach Oki. Oki always imposes a strict training regimen. Despite the club members not being happy with this coaching style, they have no choice but to comply. Tadai is very talented and diligent in training, so Oki always pays attention to her. Tadai's father also told her about Oki's past, a very talented person who had to give up his career due to a knee injury. As the competition day approaches, while training hard, Tadai suffers a minor injury. She has to give up this competition and wait for another opportunity. A few months later, even though the injury has completely healed, Tadai is always afraid of getting injured again. She also understands the feelings that Oki has gone through. The relationship between the two gradually crosses the final boundary. Overcoming psychological barriers, Tadai brings home a prestigious gold medal. But she becomes more worried, not knowing why she should continue running like this. In such moments, Oki is there to support her, even divorcing his wife to wholeheartedly help her on the path ahead...