When a judicial apprentice goes behind bars while on an undercover job, he plays the hand he’s dealt to survive prison and get his payback.

• Kang Ha-neul
• Lee You-young
• Heo Sung-tae
• Kim Sang-ho
• Kang Young-suk
• Park Seong-geun
• Kang Shin-hyo
• Jeong Man-sik