화백은 방에서 숨진 채 발견되고, 외부 침입의 흔적은 없다.
충격에 휩싸인 지혜는 의문의 편지를 받은 때부터 되짚어보기 시작하는데…
Mr. Yoo celebrates his 58th birthday. Everyone gives Mr. Yoo their birthday presents, but Dokko Chul's gift unexpectedly explodes in Mr. Yoo's face. The party abruptly comes to an end, and everyone goes about their way. In the morning, Bit Na finds Mr. Yoo dead in his bed.
