相信真爱终会相遇,相信有情人终成眷属,你我的爱情约定即刻开始倒数。谷雨轩(陈飞宇 饰)和韩书妍(周也 饰)儿时巧遇结缘,却又遗憾错过。长大后的两人再度相遇,命中注定般地坠入爱河,在历经恋爱的幸福与甜蜜后,却不得不共同面临命运的考验。时间的齿轮开始转动,双向奔赴的他们能否用爱创造奇迹?When Yuxuan (starring Chen Feiyu) meets his childhood friend Shuyan (starring Zhou Ye) after years, the friendship soon deepens into love. But not for long, a car accident takes the life of Shuyan. With deep sorrow, Yuxuan makes a wish to make himself travel through time back to the last day they meet each other. Reunion or separation, which one is their ultimate fate?