At the engagement banquet, the fiancée appears arm in arm with her white moonlight, asking the male lead to give her three months to sort out old feelings. He Yanchuan publicly ends the relationship, unexpectedly handing the ring to his rival Shen Zhaoning. A temporary engagement thus begins; as they get along, he constantly discovers the secrets Shen Zhaoning hides behind tit-for-tat antagonism. Past misunderstandings are unraveled layer by layer, revealing that this bond had already been buried for seven years.