On the night before the wedding, Lin Xia softly takes in Gu Zixuan, her heartbroken and drunk male best friend, and actually lets him stay overnight in the master bedroom of the bridal chamber. Upon running into this, her fiancé Chen Mo becomes heartbroken, cancels the wedding and lists the bridal chamber for sale overnight. On the grand wedding day, Lin Xia, draped in a wedding dress, waits bitterly for the groom, only to realize everything has long been beyond recovery. Faced with everyone's reproaches toward Chen Mo, she finally comes to realize the importance of boundaries with the opposite sex, faces her own faults head-on, and learns to independently shoulder her own life.