Kim Sun-woo is an enforcer and manager for a hotel owned by a cold, calculative crime boss, Kang who assigns Sun-woo to a simple errand while he is away on a business trip; to shadow his young mistress, Hee-soo, for fear that she may be cheating on him with a younger man with the mandate that he must kill them both if he discovers their affair.
Lee Byung-hun
Kim Yeong-cheol
Shin Min-a
Kim Roi-ha
Hwang Jung-min
Lee Ki-young
Oh Dal-su
Kim Hae-gon
Kim Han
Jin Goo
Lee Hang-soo
Oh Kwang-rok
Jeon Kuk-hwan
Lee Seung-ho
Kim Sung-oh
Lee Han-sol
Domashchenko Vadym
Sonny
Nico
Kim Soo-nam
Kang Young-gu
Heo Myeong-haeng
Jeong Goo-jin
Wang Deok-sang
Jang Jae-yong
Lee Ahn-gyoo
Jeon Na-hyeon
Eric Mun
Park Jin-woo
Woo Sang-jeon
Jeong Gye-soon
Jung Yu-mi
Choi Si-yeong
Lee Jae-ook
Ahn Jang-hyeok
Hwang Dong-seok
Kim Pan-seon
Jeong Won-kyeong
Jo Seon-haeng
Kim In-oh
Seo Jeong-hee
Kim Hyo-hyeon
Choi Hyo-hyeon
Song Sang-ook
Kwak Min-ho
Kim Hee-jin
Kim Byeong-gook
Hong Eun-mi
Kim Jae-ok
Ryoo Chang-hoon
Park Jong-min
Lee Kyeong-won
Kim Ji-hoon
Yoo Joo-hyeon
Lee Ji-hee
Song Jae-ha
Kang Min-hee
Kwon Ye-ji
Park So-jeong
Jo Jung-hee
Kwon Chae-yeong
Jeon Hye-min
Kim Eun-ji
Jo Seung-ryong
Kim Tae-hee
Yoo Sang-seob
Kim Dae-yong
Jeong Yun-Heon
Yoon Jin-yool
Jang Han-seung
Seo Joon-ha
Jeong Mi-hye
Choi Chang-kyun
Park Seon-woong
Oh Yoo-jin
Park Seong-gyoon