Believe that true love will eventually meet, believe that lovers will eventually get married, and the countdown for our love agreement begins immediately. Gu Yuxuan (played by Chen Feiyu) and Han Shuyan (played by Zhou Ye) met by chance in childhood, but missed each other regretfully. When they grew up, they met again and fell in love as if destined. After experiencing the happiness and sweetness of love, they had to face the test of fate together. The gears of time began to turn. Can they create miracles with love?