On the verge of losing everything, veteran sprinter Gu-young is getting one last opportunity at redemption, including a chance to re-kindle the love of his life. For the first time in his life, happy-go-lucky high schooler, Seung-yeol pulls out all the stops to win over the love of Ji-eun. Now, these seemingly different people, who never give up, find themselves in the most crucial race for legacy or love.