Su Wan's late husband sent her a text message before his death: "Don't open the safe at home." She endured it for three years, but finally couldn't bear it anymore. After opening the safe, she found a photo inside - in the photo, her husband was standing with a strange woman, with a child in her arms. There was a line written behind the photo: "This is your daughter, take good care of her." She didn't know the woman at all, and she never remembered having a child. She began to investigate, only to discover that her husband had been stalking a woman who looked exactly like her in the last month before his death.
