With Na Hee exposing her identity, everyone discovers that So Mi's the Mafia, placing Na Hee in danger with her police role now known. Holding herself responsible for her friends' deaths, Na Hee devises a plan to unveil the Mafia even after her potential death. Although clues surface, they are too ambiguous to conclusively identify the Mafia. Meanwhile, the focus shifts to Mi Na as the next target in the voting process. (Source: Viu)