Her life began with misfortune. At twenty, she wakes in a hospital with no memories and soon witnesses something she was never meant to see. From that day on, she struggles desperately to live a normal life and escape the loneliness that follows her. After years of effort, the cracks in her past finally seem ready to fade away. But on her twenty-ninth birthday, a mysterious man appears and asks whether she has ever lost something important. With his arrival, the fragile peace she worked so hard to build begins to unravel once again.