Ever since a tragic fire changed their lives forever, Sora has been trapped by guilt over the death of Hakbin’s mother, who sacrificed herself to save her. Determined to make up for the past, Sora devotes her life to Hakbin, unaware that his pain hides a dangerous obsession. Behind his fragile appearance lies a desire to control her, turning their bond into a twisted relationship filled with guilt, fear, and emotional manipulation. As the truth behind their connection begins to surface, Sora must decide whether to keep paying for a tragedy she can never undo or find the courage to break free. Can she escape the darkness that has tied them together, or will their shared past destroy them both?