Hyun-bin works as a chauffeur for Dr. Min-cheol Jang's house. The pay is high and the work is not difficult. Hyun-bin introduced her girlfriend Da-jeong at the request of Dr. Jang's secretary Soo-hyeon. Dr. Jang, a genius, regressed to a mental age of around 20 years of age due to a sudden shock three years ago. In particular, sexual repression has led to delusions of damage, and sexual misconduct is being expressed. Da-jeong jumped on in into the good news and good pay, and starts taking care of Dr. Jang...