青春就是在奔跑中受伤，又在颠沛流离中期待阳光。青梅竹马的李涛（任宥纶 饰）和张声（廖语辰 饰）因命运相知相识、因网球互助扶持：面对家人对选择网球之路的反对，张声毅然支持李涛；不慎受伤影响网球生涯，是李涛赋予张声前行的力量...两人在一次次挫折中渐明爱意，而张声永远的保护伞卫畅（卢东旭 饰）、心属卫畅的付萌萌（章乐韵 饰）也大胆追梦、勇敢逐爱，即使受伤依然无所畏惧，鲜衣怒马的少年们最终都以青春的意志和昂扬的姿态收获了自己的成长。

Childhood playmates Li Tao and Zhang Sheng get to know each other by fate and mutually support each other through tennis. Facing family’s objection towards the path of tennis, Zhang Sheng supported Li Tao’s decision; Li Tao gave her encouragement to move forward when faced with accidental injury which could endanger her professional tennis career. They gradually fell in love after overcoming obstacles after another.

Zhang Sheng’s eternal protector, Wei Chang and Fu Meng Meng who likes him, both pursue their dreams and love bravely. They are fearless even if they got hurt in the process. These youngsters finally grew up with the will and morale of Youth.