Mirror Puzzle: Who Is She?

After a car accident, the famous painter Lin Wan woke up in a hospital bed, only to find that he had no memory of his identity as "Lin Wan". The strange face in the mirror, the cold man claiming to be her husband, and the mysterious diary all hint at a terrible fact - she may not be Lin Wan, but a substitute implanted in the memory of others. As the truth emerges, she must choose between her false identity and her true self.