Qiu Yu is an ordinary nurse, but she has a crush on her high school classmate Yan Qing for ten years. She thought her life would be like this day after day, but she fell in love at first sight with high school student Yu Hai on the subway and began to be pursued by him. Qiu Yu gradually became friends with him and began to pursue her dreams with his encouragement. However, Yan Qing suddenly came back to look for her one day. Qiu Yu began to be in a dilemma between the two men, and how she would choose in the end.