ZL-961015 was created to be the epitome of a perfect human, sent to Earth by the elite faction B.A.P of the planet Mato to gather information on humans and their way of life.

Bi Soori was just a 17-year-old girl, living alone in Seoul after leaving Mokpo behind when she was merely 13. 

They say technology is created to make lives easier, but why has her life become so much more complicated after the invasion of an eerily-realistic robot?