Twenty years ago, Briana Lu and Austin Fu were bound by a heavenly marriage contract. If broken, one would lose her life and merits, while the other’s career would be ruined. After completing her training, Briana returns to find Austin, but he mistakes her for a fraud and refuses to marry her. Briana drags him to get their marriage license. There, they run into Briana’s stepsister, Isabella Zhao, who’s secretly in love with Austin. Furious, Isabella vows to tear them apart.