影片讲述平时在城市里生活的高中女生理绪（葵若菜）到乡下过暑假，和当地帅气美男吟藏（佐野勇斗）之间的爱情故事
To not burden their impoverished parents, two siblings decide to share a pair of shoes after the brother loses the sister's. While this turns out to be more difficult than they imagined but fate offers a chance in the form of a marathon.
深陷情网的小伙周旋于两女之间，意外卷入剪不断理还乱的三角关系。当情感风暴撞上亲情漩涡，他必须做出撼动人生的抉择。
