

Three years ago, Evelyn Lynn's family replaced her with a perfect AI daughter and sent her away to an elite institute, where she was remade into Unit 1314, obedient, hollow, stripped of everything that made her herself.She returns home to find the AI sister has taken over her life completely. Sweet on the surface, the robot works methodically to isolate and destroy her. But Evelyn never stops fighting from within.As the family slowly wakes up to what they lost, she reclaims herself on her own terms and becomes the light she once needed.

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.