가해자라서(?) 퇴원하고 갈 곳이 없는 강산과 동거하게 된 동주. 살인사건 현장에 매번 나타났던 의문의 나무 조각을 둘러싼 현수의 본격적인 추리! 새롭게 선보이는 강산의 또 다른 능력! 강산이 구원하게 될 또 다른 피해자는?
Hyun-soo suggests putting up a banner to look for San's family. San gets discharged from the hospital and decides to stay at Dong-ju's place. While inspecting the site of the accident, San sees a boy and follows him. San finds out that the boy has been abused by his mother. Meanwhile, Hyun-soo visits Dong-ju at his place and asks what motivated him to write the novel.
