1: The five suspects come back from the station. They want to have one of them to pretend to send the letter so that they can split the inheritance. Meanwhile, the funeral is being held and Bit Na finds Sul Young suspicious. The doctor tells her that Sul Young knew Artist Yoo was allergic to sleeping pills all along. 2: The quintet tries to prepare Ms. Park to act in front of the police. Meanwhile, Sun and Bit Na finds the same image of the map in Sul Young’s laptop. Various evidences points toward Sul Young. When Bit Na confronts Sul Young about it, Sul Young is quite brazen. Bit Na eventually finds out who sent the letter. (Source: Viu)