7. Is a sheath truly unnecessary for a knife called justice? (2018)
Yeon-u suspects Gang-seok is hiding something from his past and investigates, and later helps an accountant accused of forging his academic credentials.
Release date: 2018-05-16
Season number: 1
Episode number: 7
Runtime: 60 minutes
Cast
Jang Dong-gun
as Choi Kang-Seok
Park Hyung-sik
as Go Yeon-Woo
Chae Jung-an
as Hong Da-Ham
Ko Sung-hee
as Kim Ji-Na
Jin Hee-kyung
as Kang Ha-Yeon
Choi Gwi-hwa
as Chae Geun-Sik
Lee Sang-yi
as Cheol-Soon
Lee Si-won
as Se-Hee
Hwang Tae-kwang
as Lawyer Hwang
Son Suk-ku
as David Kim
Kim Pureum
as Lee Min-Joo
Park Sin-woo
as Han Seong Tae