Lan Wangji is a twenty two year old omega who was deeply in love with his fiancé Jiang Cheng. However, Jiang Cheng never treated him well and often called him with filthy names and even humiliated him on their wedding day. Eventually, he was even chocked as a joke which led to his death. Just as everything was over, Wang Yibo, a wandering soul possessed Lan Wangji's body and returned back to the day of Lan Wangji and Jiang Cheng's wedding. Will Wang Yibo be able to avenge Lan Wangji?