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, Heesoo, for … Lee Byung-hun, Kim Yeong-cheol, Shin Min-a, Kim Roi-ha, Hwang Jung-min, Lee Ki-young, Oh Dal-su Added on Netflix 2021-12-31. Youtube Trailer