Xiao Han and Wei Yi were together for ten years and married for five years. On their fifth wedding anniversary, Wei Yi died and the cause of death was suicide. After being together for so long, Xiao Han always knew that Wei Yi had a secret, but he was unwilling to tell him. In order to understand the cause and secret of Weiyi's death, Xiao Han decided to participate in the time and space transformation project, allowing his past self to return to five years ago, thereby changing the ending of another time and space...