Because of the super moon, Lei Chuxia forgets her identity and gets transported into Xu Xiaodong's phone, thus starting a magical journey. On the night of a super moon in 2010, the 15-year-old Xu Xiaodong was making a mad dash for the hospital hoping to see his father one last time. At this time, the 23-year-old Lei Chuxia was trying to hide from her fiancee. The two bump to each other at the crossroads. Lei Chuxia runs towards the mountain with her fiancee on her trail. Under the moonlight in 2020, a young woman falls from the sky. After an accidental kiss of fate with Xu Xiaodonng, she lands in his phone. He manages to get her out but Lei Chuxia sadly realizes that she can only move within the vicinity of Xu Xiaodong. In order to get rid of the unwanted company, Xu Xiaodong decides to help Lei Chuxia regain her identity but meets her fiancee Wei Xuanhe instead.