Even after begging the school and the police to help out, In Ha’s plead is ignored. Seon Ho’s family tries to find out more about the day of the incident by using whatever they can. With effort, they manage to find where he was and what he was doing before Seon Ho’s fall. However, they still can’t find Seon Ho’s cell phone and diary which may be the crucial evidence to reinvestigate the case.
자살미수로 결론 짓는 경찰에 실망한 무진은 스스로 직접 선호의 핸드폰 통신 내역을 알아보다,
선호가 사고 당일 한 번호로 여러번 전화 한 사실을 알게 된다.
한편, 인하는 선호의 교복 쟈켓에 단추가 떨어진 것을 보고 의아해 하는데..
