Twenty years ago, Jana Vance and Greg Zane were bound by a divine marriage pact—break it, and one dies while the other's career crumbles. After mastering her skills, Jana found Greg to fulfill their vow. Dismissing her as a fraud, he refused. She dragged him to the Civil Affairs Bureau to wed. There, they met her vicious stepsister Kara Wells. Furious to see her beloved man marry her hated sister, Zhao vowed to destroy their union.