An Ethics Lesson

An Ethics Lesson (; lit. "The Ethics of Anger") is a 2013 South Korean film starring Lee Je-hoon, Cho Jin-woong, Kim Tae-hoon, Kwak Do-won and Moon So-ri. Written and directed by Park Myoung-rang, the crime thriller centers on four suspicious men involved in a college girl's murder. Plot A beautiful college girl is murdered. Upon her death, the men in her life become aware of each other's existence. A wire-tapping neighbor, a loan shark, her adulterous lover, and her righteous ex reveal their true nature, dragging all of them further down to the ruthless abyss. Cast Lee Je-hoon as Kim Jung-hoon, a policeman Cho Jin-woong as Park Myung-rok, a loan shark Kim Tae-hoon as Han Hyun-soo, the ex-boyfriend Kwak Do-won as Kim Soo-taek, a professor Moon So-ri as Kim Sun-hwa, Soo-taek's wife Ko Sung-hee as Jin-ah Han Seung-yong as Min-tae Park Byung-eun as Lee Ji-hoon, a photographer Lee Na-ra as Eun-young Lee Sae-byul as Ji-yeon Lee Seung-joon as Investigator for the prosecution Choi Gwang-il as Defense lawyer Choi Lee Dong-ha as Prosecutor Im Kim Gi-cheon as Security guard Min Bok-gi as GG boss Park Gil-soo as Owner of electronics store Jin Yong-wook as Detective Moon