Hwang Shi Mok underwent brain surgery as a child to curb his violent temper, which left him devoid of emotions. Hwang becomes a prosecutor known for his piercing intelligence and logic, but he is ostracized because he lacks empathy and social skills. He is also one of only a handful of upright prosecutors who have refused to take bribes. One day, he encounters a stabbing victim while investigating corruption. He meets Lieutenant Han Yeo Jin at the crime scene. They join forces to root out corruption at the prosecutors’ office and solve a serial murder case.

• Cho Seung-woo
• Bae Doona
• Lee Jun-hyuk
• Jeon Hye-jin
• Choi Moo-seong
• Yoon Se-a
• Park Seong-geun
• Jeon Bae-soo