Dian, a rebellious high school student, harbors a dark obsession for Zen-a frail, terminally ill girl who seems to be fading away with each passing day. In front of their classmates, Dian relentlessly bullies her, keeping up a cruel facade. But away from prying eyes, she becomes Zen's secret guardian, desperate to make Zen belong to her alone. Prepare to be entangled in a web of contradictions and complexity, where appearances deceive and motives blur.