On the day of the wedding, the bride Xu Qiaoqian abandons the groom Wei Jin to accompany her male best friend in fleeing the wedding. A heartbroken Wei Jin calls his rival Su Wanqing on the spot to temporarily replace the bride. Su Wanqing arrives imposingly with a wedding dress and ring, directly rewriting the entire wedding. It turns out Su Wanqing has secretly loved Wei Jin for seven years, and their past business clashes were merely to catch a glimpse of him. After the wedding, former lover Xu Qiaoqian and the male best friend come to pester them, uncovering past entanglements. After experiencing accidents, Wei Jin recognizes his inner feelings, rejects guilt-driven repayment, and actively runs towards Su Wanqing. Overcoming misunderstandings and probing, the two end their probationary period, register to become a true married couple, and run towards each other to start a new life.