Bo Si and He Jiangyao spent three years together. But in fact, they never spent a day together. For a long time, Bo Si didn't think that she liked He Jiangyao, but many times, when she heard someone talking about him, she would unconsciously put down what she was doing, and when she saw him, she would unconsciously follow his back. But to He Jiangyao, they have always been strangers. Bo Si always thought that what she liked was her youth and feelings, but when He Jiangyao looked at her, she felt that he was the meaning of her youth.