They were once a very enviable couple, but then she demanded more and more day after day, and he gradually became overwhelmed, and the two quarreled more and more. Until one day, a cold text message came, saying that he was with her best friend. That winter suddenly became extremely cold. She thought that maybe they would never have any contact again, but she was unwilling to do so. Inadvertently, she discovered that she already had his child. She told him the news and then disappeared like a ghost, while he searched for her like crazy for three years. When the two met again in an ancient town in Yunnan, her child innocently asked her, "Mom, who is this?" "The bad guy."