The Taste of Money (2012) aka Do-nui mat

Young-jak , who is a private secretary of madam PAIK, the center power of Korean conglomerate, witnesses immoral private issues of her wealthy family. Meanwhile, he finds out that madam PAIK's husband, Mr. YOON is having affair with their Filipino housemaid, Eva. He reports what he witnessed to madam PAIK, and now despaired madam PAIK is greedily seducing Young-jak in order to keep him on her side . Young-jak is deeper into madam PAIK's family issues when he finds out the brutally killed Eva. Lost between his morality and shortcut to successful life, he has to make the biggest decision he's ever made, to choose whom he will hang on to, in order to survive in this harsh world, where he wasn't born with a silver spoon in his mouth.

Director: Sang-soo Im
Stars: Yun-shik Baek, Hyo-jin Kim and Kang-woo Kim