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
Sun-woo
Kim Yeong-cheol
Mr. Kang
Shin Min-a
Hee-soo
Kim Roi-ha
Moon-seok
Lee Ki-young
Oh Moo-seong
Hwang Jung-min
Mr. Baek
Eric Mun
Tae-goo
Oh Dal-su
Myeong-goo
Kim Hae-gon
Tae-woong
Kim Han
Se-yoon
Jin Goo
Min-gi
Lee Hang-soo
Chairman Won
Oh Kwang-rok
Gangster
Jeon Kuk-hwan
Chairman Baek
Lee Seung-ho
Mr. Park
