Namsin starts to think and act on his own after So Bong leaves him. Laura becomes worried that Namsin’s identity as a robot might get revealed as he starts to continue to show unexpected actions. This makes her meet So Bong herself. Meanwhile, Jong Gil’s agent follows Laura and finds out that So Bong might be deeply involved with her.
소봉이 떠난 이후, 남신Ⅲ는 점차 스스로 사고하고 행동한다.
달라진 남신Ⅲ의 모습에 오로라 박사는 로봇임이 탄로 날까 전전긍긍하고, 급기야 소봉을 직접 만나기로 하는데..