The Chaser
추격자 (original)
Joong-ho is a dirty detective turned pimp in financial trouble as several of his girls have recently disappeared without clearing their debts. While trying to track them down, he finds a clue that the vanished girls were all called up by a same client whom one of his girls is meeting with right now.
Starring Kim Yoon-seok, Ha Jung-woo, Seo Young-hee, Kim You-jung, Jeong In-gi, Park Hyo-joo, Jo Deok-jae, Choi Jung-woo, Yeon-ah Oh, Lee Jae-hui
It's a crime and drama movie, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.