

The orphan girl Renee was bullied to the point of disability in the family that adopted her, and was forced to marry in place of their biological daughter, Isabelle. The groom, Leander,pretended to be blind to investigate the cause of his parents' death, and he witnessed Renee being bullied. In reality, Renee had the identity of the AI master "Nutien," and Leander turned out to be her long-time mentor. The two progressed from testing each other to trusting one another,joining forces to bring the villains to justice. In the end, Leander proposed, and Renee began a happy life with him.

Yu-Jin was murdered by her husband Chan-Yeong and his mistress Na Ju-Hui. Shortly after, her sister Yu-Ri is also killed and finds herself back in time before Yujin and Chan-Yeong's wedding. Determined to take revenge for her sister, Yu-Ri decides to marry Chan-Yeong. Just then, her first love Tae-O reappears before her.