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.
姜鹿棉为保姜家，错做五年舔狗，方知攻略目标有误！真目标陆川暗恋已久，借计划靠近，两颗心渐拢，终成眷属。
