Ai Qiaoer, who has been hailed as an "angel girl" since she was a child, experienced hardships one after another. Finally, when her sister (who was not her biological sister) died, she began to close herself off. Several new friends she made in high school tried their best to help her open her heart. Among them, her sister's best friend even went so far as to be misunderstood by her and hired her sister's brother to help her. With the help of her friends, her sister and her brother's friends, what will be her ending? …
