accident and he dropped out of school, only to reappear at the reunion years later. Kim Eung-soo as Detective Ma, trying to figure out the case of the murders. Lee Ji-hyun as Sun-hee References External links Review at Koreanfilm.org 2006 films 2006 horror films South Korean horror films Films about educators Films about disability Films about mass murder 2000s Korean-language films South Korean films about revenge South Korean slasher films 2006 directorial debut films 2000s South Korean films