Years of marriage had been exchanged for him giving her away to someone else, causing her to lose her child. In the end, she couldn't bear the humiliation and chose to commit suicide. Later, when she was unconscious, he realized how wrong he was. Finally, the day she woke up, he thought he could make up for it. However, after being stunned, she could no longer remember who he was. In the end, he could only let go and look at her smile. It belonged to someone else. And he, living in solitude for the rest of his life, punishing himself.