After Oh Laura loses her son, Nam Sin, to her father in law, Nam Gun Ho, she creates an AI robot that looks exactly like Nam Sin. Nam Sin grows up to as the heir of a rich conglomerate, PK group. He is infamous within the society for his reckless acts. However, he has no intentions of following his grandfather’s footsteps and runs away.

Nam Sin goes to Czech Republic to find his mother, Oh Laura. Oh Laura goes to the market with Namsin. At the market, both Nam Sin and Namsin, the robot, are shocked to see each other. Meanwhile, Seo Jong Gil orders a man to assault Nam Sin to get rid of him and take PK group for himself.

Young Hoon, Sin’s personal secretary, follows Sin into Czech Republic. After seeing Nam Sin in a coma and Oh Laura taking care of him, Young Hoon feels shocked. Meanwhile, Gun Ho, the CEO of PK group, tries to fill in for Sin’s presentation of their Driverless Car Project, but Mr. Seo gives the presentation instead.

So Bong barges into the presentation room and tries to argue with Nam Sin, but she fails. She tries to argue with him again at a club with Ms. Jo’s help, but that is stopped too. However, a fire breaks out at the club. So Bong ends up stuck beneath collapsed debris, but Namsin helps her out.

Namsin gets praised as a hero after saving people’s lives at the fire accident. However, as the ambulance takes him, Laura stops the ambulance and takes him elsewhere. After hearing this, Jong Gil gets suspicious and barges into the operation room where Namsin is.