There are trees in the mountains, and the trees have branches. My heart is happy for you, but you don't know it. She only confessed her love to two boys, but they were rejected without exception. After graduating from college, I went to city B to work alone. I met a returnee from overseas who was always smiling, and then met the destined two people one after another. After all kinds of things, she finally realized that these two people had always loved her, but gave up on her due to various reasons. In the end, will she choose one of them or join hands with the returnee who always smiles for the rest of her life?