Hyeon U diagnoses his patient as a minor case despite Su A's warning, but the patient ends up committing suicide and Hyeon U feels guilty. Hyeon U gets curious about Su A's secret as she notices something that even a professional couldn't. Later, he learns that Su A is suffering from PTSD and has a horrendous past. (Source: Kocowa)

• Jang Hui-ryeong
• Lee Sung-jong