The narrative centers on and Kang Yuna , who have been inseparable since high school. Their relationship begins to shift when Minji starts having vivid, "bad" dreams about Yuna, leading to feelings of obsession and unrequited love. As they both struggle with these new emotions, their lack of communication creates significant drama and misunderstandings. The primary conflict is driven by:
The police close in. Maya finds evidence in her own closet—the "disappearance" was orchestrated by her own hands during a blackout state. She has trapped Elena in the basement storage unit and sabotaged Simon’s car. She is faced with a choice: Call the police and turn herself in, saving her friends but destroying her life... or write one final entry to "fix" it. Bad Thinking Diary