S01E04: A Diligent Lifer

Fearing Ji-an's recklessness, Do Jun-yeong does some digging of his own to find out who he's dealing with. Dong-hoon's brothers launch a new business.

Season 1

Lee Sun-kyun
Lee Sun-kyun
Park Dong-hoon
IU
IU
Lee Ji-an
Goh Doo-shim
Goh Doo-shim
Byeon Yo-soon
Park Ho-san
Park Ho-san
Park Sang-hoon
Song Sae-byuk
Song Sae-byuk
Park Gi-hoon
Lee Ji-ah
Lee Ji-ah
Kang Yoon-hee
Jeong Young-joo
Jeong Young-joo
Cho Ae-ryeon
Son Sook
Son Sook
Lee Bong-ae